Home / 77,776.28-116,545.58-52,381.88

Finding the Fourth Proportional to 77,776.28, 116,545.58 and 52,381.88

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Solution

The fourth proportional to 77,776.28, 116,545.58 and 52,381.88 is: 78,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,776.28 : 116,545.58 = 52,381.88 : x
  2. Step 2: Convert to fraction form
    77,776.28/116,545.58 = 52,381.88/x
  3. Step 3: Cross multiply
    77,776.28x = 116,545.58 × 52,381.88
  4. Step 4: Simplify right side
    77,776.28x = 6,104,876,586.09
  5. Step 5: Solve for x
    x = 6,104,876,586.09/77,776.28
  6. Step 6: Final answer
    x = 78,492.78

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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.