Home / 77,180.17-106,406.53-55,651.90

Finding the Fourth Proportional to 77,180.17, 106,406.53 and 55,651.90

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Solution

The fourth proportional to 77,180.17, 106,406.53 and 55,651.90 is: 76,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,180.17 : 106,406.53 = 55,651.90 : x
  2. Step 2: Convert to fraction form
    77,180.17/106,406.53 = 55,651.90/x
  3. Step 3: Cross multiply
    77,180.17x = 106,406.53 × 55,651.90
  4. Step 4: Simplify right side
    77,180.17x = 5,921,725,566.91
  5. Step 5: Solve for x
    x = 5,921,725,566.91/77,180.17
  6. Step 6: Final answer
    x = 76,726.00

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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.