Home / 56,869.17-78,463.68-36,726.90

Finding the Fourth Proportional to 56,869.17, 78,463.68 and 36,726.90

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Solution

The fourth proportional to 56,869.17, 78,463.68 and 36,726.90 is: 50,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,869.17 : 78,463.68 = 36,726.90 : x
  2. Step 2: Convert to fraction form
    56,869.17/78,463.68 = 36,726.90/x
  3. Step 3: Cross multiply
    56,869.17x = 78,463.68 × 36,726.90
  4. Step 4: Simplify right side
    56,869.17x = 2,881,727,728.99
  5. Step 5: Solve for x
    x = 2,881,727,728.99/56,869.17
  6. Step 6: Final answer
    x = 50,672.93

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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.