Home / 77,083.47-106,375.92-45,252.90

Finding the Fourth Proportional to 77,083.47, 106,375.92 and 45,252.90

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Solution

The fourth proportional to 77,083.47, 106,375.92 and 45,252.90 is: 62,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,083.47 : 106,375.92 = 45,252.90 : x
  2. Step 2: Convert to fraction form
    77,083.47/106,375.92 = 45,252.90/x
  3. Step 3: Cross multiply
    77,083.47x = 106,375.92 × 45,252.90
  4. Step 4: Simplify right side
    77,083.47x = 4,813,818,870.17
  5. Step 5: Solve for x
    x = 4,813,818,870.17/77,083.47
  6. Step 6: Final answer
    x = 62,449.43

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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.