Home / 108,490.92-149,723.10-60,741.42

Finding the Fourth Proportional to 108,490.92, 149,723.10 and 60,741.42

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Solution

The fourth proportional to 108,490.92, 149,723.10 and 60,741.42 is: 83,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,490.92 : 149,723.10 = 60,741.42 : x
  2. Step 2: Convert to fraction form
    108,490.92/149,723.10 = 60,741.42/x
  3. Step 3: Cross multiply
    108,490.92x = 149,723.10 × 60,741.42
  4. Step 4: Simplify right side
    108,490.92x = 9,094,393,700.80
  5. Step 5: Solve for x
    x = 9,094,393,700.80/108,490.92
  6. Step 6: Final answer
    x = 83,826.31

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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.