Home / 108,231.79-149,357.38-60,489.58

Finding the Fourth Proportional to 108,231.79, 149,357.38 and 60,489.58

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Solution

The fourth proportional to 108,231.79, 149,357.38 and 60,489.58 is: 83,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,231.79 : 149,357.38 = 60,489.58 : x
  2. Step 2: Convert to fraction form
    108,231.79/149,357.38 = 60,489.58/x
  3. Step 3: Cross multiply
    108,231.79x = 149,357.38 × 60,489.58
  4. Step 4: Simplify right side
    108,231.79x = 9,034,564,439.31
  5. Step 5: Solve for x
    x = 9,034,564,439.31/108,231.79
  6. Step 6: Final answer
    x = 83,474.23

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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.