Home / 90,717.52-125,193.39-49,884.76

Finding the Fourth Proportional to 90,717.52, 125,193.39 and 49,884.76

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Solution

The fourth proportional to 90,717.52, 125,193.39 and 49,884.76 is: 68,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,717.52 : 125,193.39 = 49,884.76 : x
  2. Step 2: Convert to fraction form
    90,717.52/125,193.39 = 49,884.76/x
  3. Step 3: Cross multiply
    90,717.52x = 125,193.39 × 49,884.76
  4. Step 4: Simplify right side
    90,717.52x = 6,245,242,213.74
  5. Step 5: Solve for x
    x = 6,245,242,213.74/90,717.52
  6. Step 6: Final answer
    x = 68,842.74

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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.