Home / 94,979.20-131,065.68-52,535.20

Finding the Fourth Proportional to 94,979.20, 131,065.68 and 52,535.20

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Solution

The fourth proportional to 94,979.20, 131,065.68 and 52,535.20 is: 72,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,979.20 : 131,065.68 = 52,535.20 : x
  2. Step 2: Convert to fraction form
    94,979.20/131,065.68 = 52,535.20/x
  3. Step 3: Cross multiply
    94,979.20x = 131,065.68 × 52,535.20
  4. Step 4: Simplify right side
    94,979.20x = 6,885,561,711.94
  5. Step 5: Solve for x
    x = 6,885,561,711.94/94,979.20
  6. Step 6: Final answer
    x = 72,495.47

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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.