Home / 82,946.20-124,419.30-27,542.20

Finding the Fourth Proportional to 82,946.20, 124,419.30 and 27,542.20

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Solution

The fourth proportional to 82,946.20, 124,419.30 and 27,542.20 is: 41,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,946.20 : 124,419.30 = 27,542.20 : x
  2. Step 2: Convert to fraction form
    82,946.20/124,419.30 = 27,542.20/x
  3. Step 3: Cross multiply
    82,946.20x = 124,419.30 × 27,542.20
  4. Step 4: Simplify right side
    82,946.20x = 3,426,781,244.46
  5. Step 5: Solve for x
    x = 3,426,781,244.46/82,946.20
  6. Step 6: Final answer
    x = 41,313.30

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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.