Home / 49,416.80-74,125.20-29,685.20

Finding the Fourth Proportional to 49,416.80, 74,125.20 and 29,685.20

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Solution

The fourth proportional to 49,416.80, 74,125.20 and 29,685.20 is: 44,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,416.80 : 74,125.20 = 29,685.20 : x
  2. Step 2: Convert to fraction form
    49,416.80/74,125.20 = 29,685.20/x
  3. Step 3: Cross multiply
    49,416.80x = 74,125.20 × 29,685.20
  4. Step 4: Simplify right side
    49,416.80x = 2,200,421,387.04
  5. Step 5: Solve for x
    x = 2,200,421,387.04/49,416.80
  6. Step 6: Final answer
    x = 44,527.80

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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.