Home / 108,422.45-149,626.34-60,675.68

Finding the Fourth Proportional to 108,422.45, 149,626.34 and 60,675.68

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Solution

The fourth proportional to 108,422.45, 149,626.34 and 60,675.68 is: 83,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,422.45 : 149,626.34 = 60,675.68 : x
  2. Step 2: Convert to fraction form
    108,422.45/149,626.34 = 60,675.68/x
  3. Step 3: Cross multiply
    108,422.45x = 149,626.34 × 60,675.68
  4. Step 4: Simplify right side
    108,422.45x = 9,078,680,223.63
  5. Step 5: Solve for x
    x = 9,078,680,223.63/108,422.45
  6. Step 6: Final answer
    x = 83,734.32

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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.