Home / 77,930.64-107,545.32-46,098.72

Finding the Fourth Proportional to 77,930.64, 107,545.32 and 46,098.72

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Solution

The fourth proportional to 77,930.64, 107,545.32 and 46,098.72 is: 63,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,930.64 : 107,545.32 = 46,098.72 : x
  2. Step 2: Convert to fraction form
    77,930.64/107,545.32 = 46,098.72/x
  3. Step 3: Cross multiply
    77,930.64x = 107,545.32 × 46,098.72
  4. Step 4: Simplify right side
    77,930.64x = 4,957,701,593.99
  5. Step 5: Solve for x
    x = 4,957,701,593.99/77,930.64
  6. Step 6: Final answer
    x = 63,616.85

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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.