Home / 108,031.37-149,083.07-60,281.87

Finding the Fourth Proportional to 108,031.37, 149,083.07 and 60,281.87

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Solution

The fourth proportional to 108,031.37, 149,083.07 and 60,281.87 is: 83,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,031.37 : 149,083.07 = 60,281.87 : x
  2. Step 2: Convert to fraction form
    108,031.37/149,083.07 = 60,281.87/x
  3. Step 3: Cross multiply
    108,031.37x = 149,083.07 × 60,281.87
  4. Step 4: Simplify right side
    108,031.37x = 8,987,005,198.12
  5. Step 5: Solve for x
    x = 8,987,005,198.12/108,031.37
  6. Step 6: Final answer
    x = 83,188.85

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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.