Home / 41,281.12-61,920.96-10,116.64

Finding the Fourth Proportional to 41,281.12, 61,920.96 and 10,116.64

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Solution

The fourth proportional to 41,281.12, 61,920.96 and 10,116.64 is: 15,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,281.12 : 61,920.96 = 10,116.64 : x
  2. Step 2: Convert to fraction form
    41,281.12/61,920.96 = 10,116.64/x
  3. Step 3: Cross multiply
    41,281.12x = 61,920.96 × 10,116.64
  4. Step 4: Simplify right side
    41,281.12x = 626,432,060.77
  5. Step 5: Solve for x
    x = 626,432,060.77/41,281.12
  6. Step 6: Final answer
    x = 15,174.78

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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.