Home / 77,542.08-107,013.36-43,090.92

Finding the Fourth Proportional to 77,542.08, 107,013.36 and 43,090.92

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Solution

The fourth proportional to 77,542.08, 107,013.36 and 43,090.92 is: 59,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,542.08 : 107,013.36 = 43,090.92 : x
  2. Step 2: Convert to fraction form
    77,542.08/107,013.36 = 43,090.92/x
  3. Step 3: Cross multiply
    77,542.08x = 107,013.36 × 43,090.92
  4. Step 4: Simplify right side
    77,542.08x = 4,611,304,134.69
  5. Step 5: Solve for x
    x = 4,611,304,134.69/77,542.08
  6. Step 6: Final answer
    x = 59,468.41

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.