Home / 77,665.08-107,213.91-58,552.59

Finding the Fourth Proportional to 77,665.08, 107,213.91 and 58,552.59

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Solution

The fourth proportional to 77,665.08, 107,213.91 and 58,552.59 is: 80,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,665.08 : 107,213.91 = 58,552.59 : x
  2. Step 2: Convert to fraction form
    77,665.08/107,213.91 = 58,552.59/x
  3. Step 3: Cross multiply
    77,665.08x = 107,213.91 × 58,552.59
  4. Step 4: Simplify right side
    77,665.08x = 6,277,652,114.53
  5. Step 5: Solve for x
    x = 6,277,652,114.53/77,665.08
  6. Step 6: Final answer
    x = 80,829.79

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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.