Home / 90,706.91-125,177.04-49,872.76

Finding the Fourth Proportional to 90,706.91, 125,177.04 and 49,872.76

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Solution

The fourth proportional to 90,706.91, 125,177.04 and 49,872.76 is: 68,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,706.91 : 125,177.04 = 49,872.76 : x
  2. Step 2: Convert to fraction form
    90,706.91/125,177.04 = 49,872.76/x
  3. Step 3: Cross multiply
    90,706.91x = 125,177.04 × 49,872.76
  4. Step 4: Simplify right side
    90,706.91x = 6,242,924,473.43
  5. Step 5: Solve for x
    x = 6,242,924,473.43/90,706.91
  6. Step 6: Final answer
    x = 68,825.24

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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.