Home / 68,160.29-94,139.92-45,459.83

Finding the Fourth Proportional to 68,160.29, 94,139.92 and 45,459.83

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Solution

The fourth proportional to 68,160.29, 94,139.92 and 45,459.83 is: 62,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,160.29 : 94,139.92 = 45,459.83 : x
  2. Step 2: Convert to fraction form
    68,160.29/94,139.92 = 45,459.83/x
  3. Step 3: Cross multiply
    68,160.29x = 94,139.92 × 45,459.83
  4. Step 4: Simplify right side
    68,160.29x = 4,279,584,759.41
  5. Step 5: Solve for x
    x = 4,279,584,759.41/68,160.29
  6. Step 6: Final answer
    x = 62,787.07

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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.