Home / 90,492.15-124,882.51-54,675.24

Finding the Fourth Proportional to 90,492.15, 124,882.51 and 54,675.24

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Solution

The fourth proportional to 90,492.15, 124,882.51 and 54,675.24 is: 75,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,492.15 : 124,882.51 = 54,675.24 : x
  2. Step 2: Convert to fraction form
    90,492.15/124,882.51 = 54,675.24/x
  3. Step 3: Cross multiply
    90,492.15x = 124,882.51 × 54,675.24
  4. Step 4: Simplify right side
    90,492.15x = 6,827,981,230.42
  5. Step 5: Solve for x
    x = 6,827,981,230.42/90,492.15
  6. Step 6: Final answer
    x = 75,453.85

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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.