Home / 108,454.47-149,665.68-60,707.82

Finding the Fourth Proportional to 108,454.47, 149,665.68 and 60,707.82

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Solution

The fourth proportional to 108,454.47, 149,665.68 and 60,707.82 is: 83,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,454.47 : 149,665.68 = 60,707.82 : x
  2. Step 2: Convert to fraction form
    108,454.47/149,665.68 = 60,707.82/x
  3. Step 3: Cross multiply
    108,454.47x = 149,665.68 × 60,707.82
  4. Step 4: Simplify right side
    108,454.47x = 9,085,877,161.62
  5. Step 5: Solve for x
    x = 9,085,877,161.62/108,454.47
  6. Step 6: Final answer
    x = 83,775.96

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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.