Home / 108,541.30-149,805.54-63,246.13

Finding the Fourth Proportional to 108,541.30, 149,805.54 and 63,246.13

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Solution

The fourth proportional to 108,541.30, 149,805.54 and 63,246.13 is: 87,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,541.30 : 149,805.54 = 63,246.13 : x
  2. Step 2: Convert to fraction form
    108,541.30/149,805.54 = 63,246.13/x
  3. Step 3: Cross multiply
    108,541.30x = 149,805.54 × 63,246.13
  4. Step 4: Simplify right side
    108,541.30x = 9,474,620,657.56
  5. Step 5: Solve for x
    x = 9,474,620,657.56/108,541.30
  6. Step 6: Final answer
    x = 87,290.47

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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.