Home / 108,445.41-149,654.63-60,698.75

Finding the Fourth Proportional to 108,445.41, 149,654.63 and 60,698.75

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Solution

The fourth proportional to 108,445.41, 149,654.63 and 60,698.75 is: 83,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,445.41 : 149,654.63 = 60,698.75 : x
  2. Step 2: Convert to fraction form
    108,445.41/149,654.63 = 60,698.75/x
  3. Step 3: Cross multiply
    108,445.41x = 149,654.63 × 60,698.75
  4. Step 4: Simplify right side
    108,445.41x = 9,083,847,920.95
  5. Step 5: Solve for x
    x = 9,083,847,920.95/108,445.41
  6. Step 6: Final answer
    x = 83,764.25

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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.