Home / 48,375.72-66,772.40-29,255.52

Finding the Fourth Proportional to 48,375.72, 66,772.40 and 29,255.52

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Solution

The fourth proportional to 48,375.72, 66,772.40 and 29,255.52 is: 40,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,375.72 : 66,772.40 = 29,255.52 : x
  2. Step 2: Convert to fraction form
    48,375.72/66,772.40 = 29,255.52/x
  3. Step 3: Cross multiply
    48,375.72x = 66,772.40 × 29,255.52
  4. Step 4: Simplify right side
    48,375.72x = 1,953,461,283.65
  5. Step 5: Solve for x
    x = 1,953,461,283.65/48,375.72
  6. Step 6: Final answer
    x = 40,381.03

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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.