Home / 41,150.53-61,725.95-9,985.78

Finding the Fourth Proportional to 41,150.53, 61,725.95 and 9,985.78

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Solution

The fourth proportional to 41,150.53, 61,725.95 and 9,985.78 is: 14,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,150.53 : 61,725.95 = 9,985.78 : x
  2. Step 2: Convert to fraction form
    41,150.53/61,725.95 = 9,985.78/x
  3. Step 3: Cross multiply
    41,150.53x = 61,725.95 × 9,985.78
  4. Step 4: Simplify right side
    41,150.53x = 616,381,821.67
  5. Step 5: Solve for x
    x = 616,381,821.67/41,150.53
  6. Step 6: Final answer
    x = 14,978.71

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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.