Home / 57,240.28-78,991.54-32,089.78

Finding the Fourth Proportional to 57,240.28, 78,991.54 and 32,089.78

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Solution

The fourth proportional to 57,240.28, 78,991.54 and 32,089.78 is: 44,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240.28 : 78,991.54 = 32,089.78 : x
  2. Step 2: Convert to fraction form
    57,240.28/78,991.54 = 32,089.78/x
  3. Step 3: Cross multiply
    57,240.28x = 78,991.54 × 32,089.78
  4. Step 4: Simplify right side
    57,240.28x = 2,534,821,140.46
  5. Step 5: Solve for x
    x = 2,534,821,140.46/57,240.28
  6. Step 6: Final answer
    x = 44,283.87

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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.