Home / 83,541.71-115,276.90-47,734.04

Finding the Fourth Proportional to 83,541.71, 115,276.90 and 47,734.04

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Solution

The fourth proportional to 83,541.71, 115,276.90 and 47,734.04 is: 65,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,541.71 : 115,276.90 = 47,734.04 : x
  2. Step 2: Convert to fraction form
    83,541.71/115,276.90 = 47,734.04/x
  3. Step 3: Cross multiply
    83,541.71x = 115,276.90 × 47,734.04
  4. Step 4: Simplify right side
    83,541.71x = 5,502,631,340.62
  5. Step 5: Solve for x
    x = 5,502,631,340.62/83,541.71
  6. Step 6: Final answer
    x = 65,866.88

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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.