Home / 80,717.52-111,384.66-44,906.20

Finding the Fourth Proportional to 80,717.52, 111,384.66 and 44,906.20

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Solution

The fourth proportional to 80,717.52, 111,384.66 and 44,906.20 is: 61,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,717.52 : 111,384.66 = 44,906.20 : x
  2. Step 2: Convert to fraction form
    80,717.52/111,384.66 = 44,906.20/x
  3. Step 3: Cross multiply
    80,717.52x = 111,384.66 × 44,906.20
  4. Step 4: Simplify right side
    80,717.52x = 5,001,861,818.89
  5. Step 5: Solve for x
    x = 5,001,861,818.89/80,717.52
  6. Step 6: Final answer
    x = 61,967.49

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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.