Home / 77,572.04-107,041.65-43,584.44

Finding the Fourth Proportional to 77,572.04, 107,041.65 and 43,584.44

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Solution

The fourth proportional to 77,572.04, 107,041.65 and 43,584.44 is: 60,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572.04 : 107,041.65 = 43,584.44 : x
  2. Step 2: Convert to fraction form
    77,572.04/107,041.65 = 43,584.44/x
  3. Step 3: Cross multiply
    77,572.04x = 107,041.65 × 43,584.44
  4. Step 4: Simplify right side
    77,572.04x = 4,665,350,371.93
  5. Step 5: Solve for x
    x = 4,665,350,371.93/77,572.04
  6. Step 6: Final answer
    x = 60,142.16

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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.