Home / 47,943.18-66,155.16-29,076.66

Finding the Fourth Proportional to 47,943.18, 66,155.16 and 29,076.66

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Solution

The fourth proportional to 47,943.18, 66,155.16 and 29,076.66 is: 40,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,943.18 : 66,155.16 = 29,076.66 : x
  2. Step 2: Convert to fraction form
    47,943.18/66,155.16 = 29,076.66/x
  3. Step 3: Cross multiply
    47,943.18x = 66,155.16 × 29,076.66
  4. Step 4: Simplify right side
    47,943.18x = 1,923,571,094.57
  5. Step 5: Solve for x
    x = 1,923,571,094.57/47,943.18
  6. Step 6: Final answer
    x = 40,121.89

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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.