Home / 83,541.88-115,277.18-47,734.21

Finding the Fourth Proportional to 83,541.88, 115,277.18 and 47,734.21

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Solution

The fourth proportional to 83,541.88, 115,277.18 and 47,734.21 is: 65,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,541.88 : 115,277.18 = 47,734.21 : x
  2. Step 2: Convert to fraction form
    83,541.88/115,277.18 = 47,734.21/x
  3. Step 3: Cross multiply
    83,541.88x = 115,277.18 × 47,734.21
  4. Step 4: Simplify right side
    83,541.88x = 5,502,665,023.75
  5. Step 5: Solve for x
    x = 5,502,665,023.75/83,541.88
  6. Step 6: Final answer
    x = 65,867.14

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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.