Home / 40,937.20-61,405.80-36,098.80

Finding the Fourth Proportional to 40,937.20, 61,405.80 and 36,098.80

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Solution

The fourth proportional to 40,937.20, 61,405.80 and 36,098.80 is: 54,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,937.20 : 61,405.80 = 36,098.80 : x
  2. Step 2: Convert to fraction form
    40,937.20/61,405.80 = 36,098.80/x
  3. Step 3: Cross multiply
    40,937.20x = 61,405.80 × 36,098.80
  4. Step 4: Simplify right side
    40,937.20x = 2,216,675,693.04
  5. Step 5: Solve for x
    x = 2,216,675,693.04/40,937.20
  6. Step 6: Final answer
    x = 54,148.20

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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.