Home / 125,731.08-173,514.42-69,144.48

Finding the Fourth Proportional to 125,731.08, 173,514.42 and 69,144.48

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Solution

The fourth proportional to 125,731.08, 173,514.42 and 69,144.48 is: 95,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,731.08 : 173,514.42 = 69,144.48 : x
  2. Step 2: Convert to fraction form
    125,731.08/173,514.42 = 69,144.48/x
  3. Step 3: Cross multiply
    125,731.08x = 173,514.42 × 69,144.48
  4. Step 4: Simplify right side
    125,731.08x = 11,997,564,343.40
  5. Step 5: Solve for x
    x = 11,997,564,343.40/125,731.08
  6. Step 6: Final answer
    x = 95,422.42

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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.