Home / 124,127.28-171,296.04-67,538.70

Finding the Fourth Proportional to 124,127.28, 171,296.04 and 67,538.70

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Solution

The fourth proportional to 124,127.28, 171,296.04 and 67,538.70 is: 93,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,127.28 : 171,296.04 = 67,538.70 : x
  2. Step 2: Convert to fraction form
    124,127.28/171,296.04 = 67,538.70/x
  3. Step 3: Cross multiply
    124,127.28x = 171,296.04 × 67,538.70
  4. Step 4: Simplify right side
    124,127.28x = 11,569,111,856.75
  5. Step 5: Solve for x
    x = 11,569,111,856.75/124,127.28
  6. Step 6: Final answer
    x = 93,203.62

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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.