Home / 108,425.17-149,625.67-60,678.86

Finding the Fourth Proportional to 108,425.17, 149,625.67 and 60,678.86

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Solution

The fourth proportional to 108,425.17, 149,625.67 and 60,678.86 is: 83,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,425.17 : 149,625.67 = 60,678.86 : x
  2. Step 2: Convert to fraction form
    108,425.17/149,625.67 = 60,678.86/x
  3. Step 3: Cross multiply
    108,425.17x = 149,625.67 × 60,678.86
  4. Step 4: Simplify right side
    108,425.17x = 9,079,115,082.34
  5. Step 5: Solve for x
    x = 9,079,115,082.34/108,425.17
  6. Step 6: Final answer
    x = 83,736.23

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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.