Home / 124,527.20-171,847.35-67,938.57

Finding the Fourth Proportional to 124,527.20, 171,847.35 and 67,938.57

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Solution

The fourth proportional to 124,527.20, 171,847.35 and 67,938.57 is: 93,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,527.20 : 171,847.35 = 67,938.57 : x
  2. Step 2: Convert to fraction form
    124,527.20/171,847.35 = 67,938.57/x
  3. Step 3: Cross multiply
    124,527.20x = 171,847.35 × 67,938.57
  4. Step 4: Simplify right side
    124,527.20x = 11,675,063,217.29
  5. Step 5: Solve for x
    x = 11,675,063,217.29/124,527.20
  6. Step 6: Final answer
    x = 93,755.13

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1.5x scale

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.