Home / 41,139.05-61,708.58-9,974.30

Finding the Fourth Proportional to 41,139.05, 61,708.58 and 9,974.30

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Solution

The fourth proportional to 41,139.05, 61,708.58 and 9,974.30 is: 14,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,139.05 : 61,708.58 = 9,974.30 : x
  2. Step 2: Convert to fraction form
    41,139.05/61,708.58 = 9,974.30/x
  3. Step 3: Cross multiply
    41,139.05x = 61,708.58 × 9,974.30
  4. Step 4: Simplify right side
    41,139.05x = 615,499,605.89
  5. Step 5: Solve for x
    x = 615,499,605.89/41,139.05
  6. Step 6: Final answer
    x = 14,961.45

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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.