Home / 108,729.15-150,044.37-60,981.46

Finding the Fourth Proportional to 108,729.15, 150,044.37 and 60,981.46

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Solution

The fourth proportional to 108,729.15, 150,044.37 and 60,981.46 is: 84,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,729.15 : 150,044.37 = 60,981.46 : x
  2. Step 2: Convert to fraction form
    108,729.15/150,044.37 = 60,981.46/x
  3. Step 3: Cross multiply
    108,729.15x = 150,044.37 × 60,981.46
  4. Step 4: Simplify right side
    108,729.15x = 9,149,924,747.38
  5. Step 5: Solve for x
    x = 9,149,924,747.38/108,729.15
  6. Step 6: Final answer
    x = 84,153.37

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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.