Home / 61,057.20-91,612.14-32,971.66

Finding the Fourth Proportional to 61,057.20, 91,612.14 and 32,971.66

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Solution

The fourth proportional to 61,057.20, 91,612.14 and 32,971.66 is: 49,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,057.20 : 91,612.14 = 32,971.66 : x
  2. Step 2: Convert to fraction form
    61,057.20/91,612.14 = 32,971.66/x
  3. Step 3: Cross multiply
    61,057.20x = 91,612.14 × 32,971.66
  4. Step 4: Simplify right side
    61,057.20x = 3,020,604,331.95
  5. Step 5: Solve for x
    x = 3,020,604,331.95/61,057.20
  6. Step 6: Final answer
    x = 49,471.71

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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.