Home / 75,752.29-104,545.55-56,598.83

Finding the Fourth Proportional to 75,752.29, 104,545.55 and 56,598.83

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Solution

The fourth proportional to 75,752.29, 104,545.55 and 56,598.83 is: 78,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,752.29 : 104,545.55 = 56,598.83 : x
  2. Step 2: Convert to fraction form
    75,752.29/104,545.55 = 56,598.83/x
  3. Step 3: Cross multiply
    75,752.29x = 104,545.55 × 56,598.83
  4. Step 4: Simplify right side
    75,752.29x = 5,917,155,811.71
  5. Step 5: Solve for x
    x = 5,917,155,811.71/75,752.29
  6. Step 6: Final answer
    x = 78,111.91

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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.