Home / 48,199.16-66,470.50-40,721.24

Finding the Fourth Proportional to 48,199.16, 66,470.50 and 40,721.24

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Solution

The fourth proportional to 48,199.16, 66,470.50 and 40,721.24 is: 56,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,199.16 : 66,470.50 = 40,721.24 : x
  2. Step 2: Convert to fraction form
    48,199.16/66,470.50 = 40,721.24/x
  3. Step 3: Cross multiply
    48,199.16x = 66,470.50 × 40,721.24
  4. Step 4: Simplify right side
    48,199.16x = 2,706,761,183.42
  5. Step 5: Solve for x
    x = 2,706,761,183.42/48,199.16
  6. Step 6: Final answer
    x = 56,157.85

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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.