Home / 124,142.28-171,316.26-67,553.52

Finding the Fourth Proportional to 124,142.28, 171,316.26 and 67,553.52

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Solution

The fourth proportional to 124,142.28, 171,316.26 and 67,553.52 is: 93,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,142.28 : 171,316.26 = 67,553.52 : x
  2. Step 2: Convert to fraction form
    124,142.28/171,316.26 = 67,553.52/x
  3. Step 3: Cross multiply
    124,142.28x = 171,316.26 × 67,553.52
  4. Step 4: Simplify right side
    124,142.28x = 11,573,016,396.24
  5. Step 5: Solve for x
    x = 11,573,016,396.24/124,142.28
  6. Step 6: Final answer
    x = 93,223.81

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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.