Home / 89,432.67-123,411.27-51,192.53

Finding the Fourth Proportional to 89,432.67, 123,411.27 and 51,192.53

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Solution

The fourth proportional to 89,432.67, 123,411.27 and 51,192.53 is: 70,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,432.67 : 123,411.27 = 51,192.53 : x
  2. Step 2: Convert to fraction form
    89,432.67/123,411.27 = 51,192.53/x
  3. Step 3: Cross multiply
    89,432.67x = 123,411.27 × 51,192.53
  4. Step 4: Simplify right side
    89,432.67x = 6,317,735,141.81
  5. Step 5: Solve for x
    x = 6,317,735,141.81/89,432.67
  6. Step 6: Final answer
    x = 70,642.36

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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.