Home / 89,624.30-123,682.95-51,387.21

Finding the Fourth Proportional to 89,624.30, 123,682.95 and 51,387.21

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Solution

The fourth proportional to 89,624.30, 123,682.95 and 51,387.21 is: 70,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,624.30 : 123,682.95 = 51,387.21 : x
  2. Step 2: Convert to fraction form
    89,624.30/123,682.95 = 51,387.21/x
  3. Step 3: Cross multiply
    89,624.30x = 123,682.95 × 51,387.21
  4. Step 4: Simplify right side
    89,624.30x = 6,355,721,725.07
  5. Step 5: Solve for x
    x = 6,355,721,725.07/89,624.30
  6. Step 6: Final answer
    x = 70,915.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.