Home / 108,117.52-149,195.78-60,373.86

Finding the Fourth Proportional to 108,117.52, 149,195.78 and 60,373.86

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Solution

The fourth proportional to 108,117.52, 149,195.78 and 60,373.86 is: 83,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,117.52 : 149,195.78 = 60,373.86 : x
  2. Step 2: Convert to fraction form
    108,117.52/149,195.78 = 60,373.86/x
  3. Step 3: Cross multiply
    108,117.52x = 149,195.78 × 60,373.86
  4. Step 4: Simplify right side
    108,117.52x = 9,007,525,134.31
  5. Step 5: Solve for x
    x = 9,007,525,134.31/108,117.52
  6. Step 6: Final answer
    x = 83,312.35

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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.