Home / 41,287.52-61,931.28-10,122.50

Finding the Fourth Proportional to 41,287.52, 61,931.28 and 10,122.50

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Solution

The fourth proportional to 41,287.52, 61,931.28 and 10,122.50 is: 15,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,287.52 : 61,931.28 = 10,122.50 : x
  2. Step 2: Convert to fraction form
    41,287.52/61,931.28 = 10,122.50/x
  3. Step 3: Cross multiply
    41,287.52x = 61,931.28 × 10,122.50
  4. Step 4: Simplify right side
    41,287.52x = 626,899,381.80
  5. Step 5: Solve for x
    x = 626,899,381.80/41,287.52
  6. Step 6: Final answer
    x = 15,183.75

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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.