Home / 72,385.14-108,618.48-56,545.73

Finding the Fourth Proportional to 72,385.14, 108,618.48 and 56,545.73

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Solution

The fourth proportional to 72,385.14, 108,618.48 and 56,545.73 is: 84,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,385.14 : 108,618.48 = 56,545.73 : x
  2. Step 2: Convert to fraction form
    72,385.14/108,618.48 = 56,545.73/x
  3. Step 3: Cross multiply
    72,385.14x = 108,618.48 × 56,545.73
  4. Step 4: Simplify right side
    72,385.14x = 6,141,911,243.09
  5. Step 5: Solve for x
    x = 6,141,911,243.09/72,385.14
  6. Step 6: Final answer
    x = 84,850.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.