Home / 108,449.06-149,659.67-60,702.41

Finding the Fourth Proportional to 108,449.06, 149,659.67 and 60,702.41

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Solution

The fourth proportional to 108,449.06, 149,659.67 and 60,702.41 is: 83,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,449.06 : 149,659.67 = 60,702.41 : x
  2. Step 2: Convert to fraction form
    108,449.06/149,659.67 = 60,702.41/x
  3. Step 3: Cross multiply
    108,449.06x = 149,659.67 × 60,702.41
  4. Step 4: Simplify right side
    108,449.06x = 9,084,703,174.71
  5. Step 5: Solve for x
    x = 9,084,703,174.71/108,449.06
  6. Step 6: Final answer
    x = 83,769.32

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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.