Home / 124,497.12-171,806.16-67,909.44

Finding the Fourth Proportional to 124,497.12, 171,806.16 and 67,909.44

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Solution

The fourth proportional to 124,497.12, 171,806.16 and 67,909.44 is: 93,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,497.12 : 171,806.16 = 67,909.44 : x
  2. Step 2: Convert to fraction form
    124,497.12/171,806.16 = 67,909.44/x
  3. Step 3: Cross multiply
    124,497.12x = 171,806.16 × 67,909.44
  4. Step 4: Simplify right side
    124,497.12x = 11,667,260,114.15
  5. Step 5: Solve for x
    x = 11,667,260,114.15/124,497.12
  6. Step 6: Final answer
    x = 93,715.10

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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.