Home / 65,917.62-90,966.42-39,073.32

Finding the Fourth Proportional to 65,917.62, 90,966.42 and 39,073.32

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Solution

The fourth proportional to 65,917.62, 90,966.42 and 39,073.32 is: 53,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.62 : 90,966.42 = 39,073.32 : x
  2. Step 2: Convert to fraction form
    65,917.62/90,966.42 = 39,073.32/x
  3. Step 3: Cross multiply
    65,917.62x = 90,966.42 × 39,073.32
  4. Step 4: Simplify right side
    65,917.62x = 3,554,360,037.91
  5. Step 5: Solve for x
    x = 3,554,360,037.91/65,917.62
  6. Step 6: Final answer
    x = 53,921.24

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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.