Home / 82,897.56-124,272.48-38,500.12

Finding the Fourth Proportional to 82,897.56, 124,272.48 and 38,500.12

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Solution

The fourth proportional to 82,897.56, 124,272.48 and 38,500.12 is: 57,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,897.56 : 124,272.48 = 38,500.12 : x
  2. Step 2: Convert to fraction form
    82,897.56/124,272.48 = 38,500.12/x
  3. Step 3: Cross multiply
    82,897.56x = 124,272.48 × 38,500.12
  4. Step 4: Simplify right side
    82,897.56x = 4,784,505,392.70
  5. Step 5: Solve for x
    x = 4,784,505,392.70/82,897.56
  6. Step 6: Final answer
    x = 57,715.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.