Home / 57,999.86-80,036-34,121.91

Finding the Fourth Proportional to 57,999.86, 80,036 and 34,121.91

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Solution

The fourth proportional to 57,999.86, 80,036 and 34,121.91 is: 47,086.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.86 : 80,036 = 34,121.91 : x
  2. Step 2: Convert to fraction form
    57,999.86/80,036 = 34,121.91/x
  3. Step 3: Cross multiply
    57,999.86x = 80,036 × 34,121.91
  4. Step 4: Simplify right side
    57,999.86x = 2,730,981,188.76
  5. Step 5: Solve for x
    x = 2,730,981,188.76/57,999.86
  6. Step 6: Final answer
    x = 47,086.00

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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.