Home / 113,306.04-169,959-53,961.78

Finding the Fourth Proportional to 113,306.04, 169,959 and 53,961.78

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Solution

The fourth proportional to 113,306.04, 169,959 and 53,961.78 is: 80,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,306.04 : 169,959 = 53,961.78 : x
  2. Step 2: Convert to fraction form
    113,306.04/169,959 = 53,961.78/x
  3. Step 3: Cross multiply
    113,306.04x = 169,959 × 53,961.78
  4. Step 4: Simplify right side
    113,306.04x = 9,171,290,167.02
  5. Step 5: Solve for x
    x = 9,171,290,167.02/113,306.04
  6. Step 6: Final answer
    x = 80,942.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.