Home / 99,242.08-136,919.61-63,453.04

Finding the Fourth Proportional to 99,242.08, 136,919.61 and 63,453.04

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Solution

The fourth proportional to 99,242.08, 136,919.61 and 63,453.04 is: 87,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,242.08 : 136,919.61 = 63,453.04 : x
  2. Step 2: Convert to fraction form
    99,242.08/136,919.61 = 63,453.04/x
  3. Step 3: Cross multiply
    99,242.08x = 136,919.61 × 63,453.04
  4. Step 4: Simplify right side
    99,242.08x = 8,687,965,490.11
  5. Step 5: Solve for x
    x = 8,687,965,490.11/99,242.08
  6. Step 6: Final answer
    x = 87,543.16

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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.