Home / 82,861.74-124,274.70-23,681.52

Finding the Fourth Proportional to 82,861.74, 124,274.70 and 23,681.52

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Solution

The fourth proportional to 82,861.74, 124,274.70 and 23,681.52 is: 35,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,861.74 : 124,274.70 = 23,681.52 : x
  2. Step 2: Convert to fraction form
    82,861.74/124,274.70 = 23,681.52/x
  3. Step 3: Cross multiply
    82,861.74x = 124,274.70 × 23,681.52
  4. Step 4: Simplify right side
    82,861.74x = 2,943,013,793.54
  5. Step 5: Solve for x
    x = 2,943,013,793.54/82,861.74
  6. Step 6: Final answer
    x = 35,517.16

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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.