Home / 94,981.48-131,088-54,691.24

Finding the Fourth Proportional to 94,981.48, 131,088 and 54,691.24

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Solution

The fourth proportional to 94,981.48, 131,088 and 54,691.24 is: 75,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,981.48 : 131,088 = 54,691.24 : x
  2. Step 2: Convert to fraction form
    94,981.48/131,088 = 54,691.24/x
  3. Step 3: Cross multiply
    94,981.48x = 131,088 × 54,691.24
  4. Step 4: Simplify right side
    94,981.48x = 7,169,365,269.12
  5. Step 5: Solve for x
    x = 7,169,365,269.12/94,981.48
  6. Step 6: Final answer
    x = 75,481.72

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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.