Home / 108,281.15-149,428.31-60,534.49

Finding the Fourth Proportional to 108,281.15, 149,428.31 and 60,534.49

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Solution

The fourth proportional to 108,281.15, 149,428.31 and 60,534.49 is: 83,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,281.15 : 149,428.31 = 60,534.49 : x
  2. Step 2: Convert to fraction form
    108,281.15/149,428.31 = 60,534.49/x
  3. Step 3: Cross multiply
    108,281.15x = 149,428.31 × 60,534.49
  4. Step 4: Simplify right side
    108,281.15x = 9,045,567,318.74
  5. Step 5: Solve for x
    x = 9,045,567,318.74/108,281.15
  6. Step 6: Final answer
    x = 83,537.79

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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.