Home / 83,753.74-115,588.29-47,948.86

Finding the Fourth Proportional to 83,753.74, 115,588.29 and 47,948.86

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Solution

The fourth proportional to 83,753.74, 115,588.29 and 47,948.86 is: 66,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,753.74 : 115,588.29 = 47,948.86 : x
  2. Step 2: Convert to fraction form
    83,753.74/115,588.29 = 47,948.86/x
  3. Step 3: Cross multiply
    83,753.74x = 115,588.29 × 47,948.86
  4. Step 4: Simplify right side
    83,753.74x = 5,542,326,734.85
  5. Step 5: Solve for x
    x = 5,542,326,734.85/83,753.74
  6. Step 6: Final answer
    x = 66,174.08

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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.