Home / 89,386.40-123,352.47-49,101.26

Finding the Fourth Proportional to 89,386.40, 123,352.47 and 49,101.26

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Solution

The fourth proportional to 89,386.40, 123,352.47 and 49,101.26 is: 67,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,386.40 : 123,352.47 = 49,101.26 : x
  2. Step 2: Convert to fraction form
    89,386.40/123,352.47 = 49,101.26/x
  3. Step 3: Cross multiply
    89,386.40x = 123,352.47 × 49,101.26
  4. Step 4: Simplify right side
    89,386.40x = 6,056,761,084.35
  5. Step 5: Solve for x
    x = 6,056,761,084.35/89,386.40
  6. Step 6: Final answer
    x = 67,759.31

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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.