Home / 115,553.10-173,329.65-65,613.90

Finding the Fourth Proportional to 115,553.10, 173,329.65 and 65,613.90

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Solution

The fourth proportional to 115,553.10, 173,329.65 and 65,613.90 is: 98,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,553.10 : 173,329.65 = 65,613.90 : x
  2. Step 2: Convert to fraction form
    115,553.10/173,329.65 = 65,613.90/x
  3. Step 3: Cross multiply
    115,553.10x = 173,329.65 × 65,613.90
  4. Step 4: Simplify right side
    115,553.10x = 11,372,834,322.14
  5. Step 5: Solve for x
    x = 11,372,834,322.14/115,553.10
  6. Step 6: Final answer
    x = 98,420.85

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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.