Home / 83,542.71-115,278.27-47,735.04

Finding the Fourth Proportional to 83,542.71, 115,278.27 and 47,735.04

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Solution

The fourth proportional to 83,542.71, 115,278.27 and 47,735.04 is: 65,868.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,542.71 : 115,278.27 = 47,735.04 : x
  2. Step 2: Convert to fraction form
    83,542.71/115,278.27 = 47,735.04/x
  3. Step 3: Cross multiply
    83,542.71x = 115,278.27 × 47,735.04
  4. Step 4: Simplify right side
    83,542.71x = 5,502,812,829.58
  5. Step 5: Solve for x
    x = 5,502,812,829.58/83,542.71
  6. Step 6: Final answer
    x = 65,868.26

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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.