Home / 94,766.10-142,026.45-38,540.90

Finding the Fourth Proportional to 94,766.10, 142,026.45 and 38,540.90

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Solution

The fourth proportional to 94,766.10, 142,026.45 and 38,540.90 is: 57,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,766.10 : 142,026.45 = 38,540.90 : x
  2. Step 2: Convert to fraction form
    94,766.10/142,026.45 = 38,540.90/x
  3. Step 3: Cross multiply
    94,766.10x = 142,026.45 × 38,540.90
  4. Step 4: Simplify right side
    94,766.10x = 5,473,827,380.21
  5. Step 5: Solve for x
    x = 5,473,827,380.21/94,766.10
  6. Step 6: Final answer
    x = 57,761.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.