Home / 124,117.52-171,279.60-67,529.12

Finding the Fourth Proportional to 124,117.52, 171,279.60 and 67,529.12

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Solution

The fourth proportional to 124,117.52, 171,279.60 and 67,529.12 is: 93,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,117.52 : 171,279.60 = 67,529.12 : x
  2. Step 2: Convert to fraction form
    124,117.52/171,279.60 = 67,529.12/x
  3. Step 3: Cross multiply
    124,117.52x = 171,279.60 × 67,529.12
  4. Step 4: Simplify right side
    124,117.52x = 11,566,360,661.95
  5. Step 5: Solve for x
    x = 11,566,360,661.95/124,117.52
  6. Step 6: Final answer
    x = 93,188.78

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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.