Home / 97,629.47-146,388.16-38,432.85

Finding the Fourth Proportional to 97,629.47, 146,388.16 and 38,432.85

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Solution

The fourth proportional to 97,629.47, 146,388.16 and 38,432.85 is: 57,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,629.47 : 146,388.16 = 38,432.85 : x
  2. Step 2: Convert to fraction form
    97,629.47/146,388.16 = 38,432.85/x
  3. Step 3: Cross multiply
    97,629.47x = 146,388.16 × 38,432.85
  4. Step 4: Simplify right side
    97,629.47x = 5,626,114,098.97
  5. Step 5: Solve for x
    x = 5,626,114,098.97/97,629.47
  6. Step 6: Final answer
    x = 57,627.21

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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.