Home / 49,429.28-74,132.32-16,140.80

Finding the Fourth Proportional to 49,429.28, 74,132.32 and 16,140.80

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Solution

The fourth proportional to 49,429.28, 74,132.32 and 16,140.80 is: 24,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,429.28 : 74,132.32 = 16,140.80 : x
  2. Step 2: Convert to fraction form
    49,429.28/74,132.32 = 16,140.80/x
  3. Step 3: Cross multiply
    49,429.28x = 74,132.32 × 16,140.80
  4. Step 4: Simplify right side
    49,429.28x = 1,196,554,950.66
  5. Step 5: Solve for x
    x = 1,196,554,950.66/49,429.28
  6. Step 6: Final answer
    x = 24,207.41

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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.