Home / 125,358.28-172,998.06-68,773.24

Finding the Fourth Proportional to 125,358.28, 172,998.06 and 68,773.24

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Solution

The fourth proportional to 125,358.28, 172,998.06 and 68,773.24 is: 94,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,358.28 : 172,998.06 = 68,773.24 : x
  2. Step 2: Convert to fraction form
    125,358.28/172,998.06 = 68,773.24/x
  3. Step 3: Cross multiply
    125,358.28x = 172,998.06 × 68,773.24
  4. Step 4: Simplify right side
    125,358.28x = 11,897,637,099.91
  5. Step 5: Solve for x
    x = 11,897,637,099.91/125,358.28
  6. Step 6: Final answer
    x = 94,909.06

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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.