Home / 56,471.28-84,734.52-39,937.56

Finding the Fourth Proportional to 56,471.28, 84,734.52 and 39,937.56

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Solution

The fourth proportional to 56,471.28, 84,734.52 and 39,937.56 is: 59,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,471.28 : 84,734.52 = 39,937.56 : x
  2. Step 2: Convert to fraction form
    56,471.28/84,734.52 = 39,937.56/x
  3. Step 3: Cross multiply
    56,471.28x = 84,734.52 × 39,937.56
  4. Step 4: Simplify right side
    56,471.28x = 3,384,089,976.57
  5. Step 5: Solve for x
    x = 3,384,089,976.57/56,471.28
  6. Step 6: Final answer
    x = 59,925.86

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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.