Home / 84,772.16-117,007.08-57,925.52

Finding the Fourth Proportional to 84,772.16, 117,007.08 and 57,925.52

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Solution

The fourth proportional to 84,772.16, 117,007.08 and 57,925.52 is: 79,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,772.16 : 117,007.08 = 57,925.52 : x
  2. Step 2: Convert to fraction form
    84,772.16/117,007.08 = 57,925.52/x
  3. Step 3: Cross multiply
    84,772.16x = 117,007.08 × 57,925.52
  4. Step 4: Simplify right side
    84,772.16x = 6,777,695,952.68
  5. Step 5: Solve for x
    x = 6,777,695,952.68/84,772.16
  6. Step 6: Final answer
    x = 79,951.91

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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.