Home / 89,633.70-134,419.11-26,437.02

Finding the Fourth Proportional to 89,633.70, 134,419.11 and 26,437.02

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Solution

The fourth proportional to 89,633.70, 134,419.11 and 26,437.02 is: 39,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,633.70 : 134,419.11 = 26,437.02 : x
  2. Step 2: Convert to fraction form
    89,633.70/134,419.11 = 26,437.02/x
  3. Step 3: Cross multiply
    89,633.70x = 134,419.11 × 26,437.02
  4. Step 4: Simplify right side
    89,633.70x = 3,553,640,699.45
  5. Step 5: Solve for x
    x = 3,553,640,699.45/89,633.70
  6. Step 6: Final answer
    x = 39,646.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.