Home / 108,445.07-149,654.16-60,698.39

Finding the Fourth Proportional to 108,445.07, 149,654.16 and 60,698.39

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Solution

The fourth proportional to 108,445.07, 149,654.16 and 60,698.39 is: 83,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,445.07 : 149,654.16 = 60,698.39 : x
  2. Step 2: Convert to fraction form
    108,445.07/149,654.16 = 60,698.39/x
  3. Step 3: Cross multiply
    108,445.07x = 149,654.16 × 60,698.39
  4. Step 4: Simplify right side
    108,445.07x = 9,083,766,568.80
  5. Step 5: Solve for x
    x = 9,083,766,568.80/108,445.07
  6. Step 6: Final answer
    x = 83,763.76

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1.5x scale

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.