Home / 70,205.28-96,883.52-38,374.71

Finding the Fourth Proportional to 70,205.28, 96,883.52 and 38,374.71

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Solution

The fourth proportional to 70,205.28, 96,883.52 and 38,374.71 is: 52,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,205.28 : 96,883.52 = 38,374.71 : x
  2. Step 2: Convert to fraction form
    70,205.28/96,883.52 = 38,374.71/x
  3. Step 3: Cross multiply
    70,205.28x = 96,883.52 × 38,374.71
  4. Step 4: Simplify right side
    70,205.28x = 3,717,876,983.78
  5. Step 5: Solve for x
    x = 3,717,876,983.78/70,205.28
  6. Step 6: Final answer
    x = 52,957.23

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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.