Home / 108,361.13-149,549.58-62,422.35

Finding the Fourth Proportional to 108,361.13, 149,549.58 and 62,422.35

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Solution

The fourth proportional to 108,361.13, 149,549.58 and 62,422.35 is: 86,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,361.13 : 149,549.58 = 62,422.35 : x
  2. Step 2: Convert to fraction form
    108,361.13/149,549.58 = 62,422.35/x
  3. Step 3: Cross multiply
    108,361.13x = 149,549.58 × 62,422.35
  4. Step 4: Simplify right side
    108,361.13x = 9,335,236,225.11
  5. Step 5: Solve for x
    x = 9,335,236,225.11/108,361.13
  6. Step 6: Final answer
    x = 86,149.31

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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.