Home / 108,422.47-149,623.77-60,680.26

Finding the Fourth Proportional to 108,422.47, 149,623.77 and 60,680.26

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Solution

The fourth proportional to 108,422.47, 149,623.77 and 60,680.26 is: 83,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,422.47 : 149,623.77 = 60,680.26 : x
  2. Step 2: Convert to fraction form
    108,422.47/149,623.77 = 60,680.26/x
  3. Step 3: Cross multiply
    108,422.47x = 149,623.77 × 60,680.26
  4. Step 4: Simplify right side
    108,422.47x = 9,079,209,265.78
  5. Step 5: Solve for x
    x = 9,079,209,265.78/108,422.47
  6. Step 6: Final answer
    x = 83,739.18

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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.