Home / 124,373.73-186,502.25-45,432.75

Finding the Fourth Proportional to 124,373.73, 186,502.25 and 45,432.75

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Solution

The fourth proportional to 124,373.73, 186,502.25 and 45,432.75 is: 68,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,373.73 : 186,502.25 = 45,432.75 : x
  2. Step 2: Convert to fraction form
    124,373.73/186,502.25 = 45,432.75/x
  3. Step 3: Cross multiply
    124,373.73x = 186,502.25 × 45,432.75
  4. Step 4: Simplify right side
    124,373.73x = 8,473,309,871.52
  5. Step 5: Solve for x
    x = 8,473,309,871.52/124,373.73
  6. Step 6: Final answer
    x = 68,127.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.