Home / 60,781.27-91,142.73-28,733.66

Finding the Fourth Proportional to 60,781.27, 91,142.73 and 28,733.66

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Solution

The fourth proportional to 60,781.27, 91,142.73 and 28,733.66 is: 43,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,781.27 : 91,142.73 = 28,733.66 : x
  2. Step 2: Convert to fraction form
    60,781.27/91,142.73 = 28,733.66/x
  3. Step 3: Cross multiply
    60,781.27x = 91,142.73 × 28,733.66
  4. Step 4: Simplify right side
    60,781.27x = 2,618,864,215.29
  5. Step 5: Solve for x
    x = 2,618,864,215.29/60,781.27
  6. Step 6: Final answer
    x = 43,086.70

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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.