Home / 55,487.20-83,159.26-48,342.56

Finding the Fourth Proportional to 55,487.20, 83,159.26 and 48,342.56

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Solution

The fourth proportional to 55,487.20, 83,159.26 and 48,342.56 is: 72,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,487.20 : 83,159.26 = 48,342.56 : x
  2. Step 2: Convert to fraction form
    55,487.20/83,159.26 = 48,342.56/x
  3. Step 3: Cross multiply
    55,487.20x = 83,159.26 × 48,342.56
  4. Step 4: Simplify right side
    55,487.20x = 4,020,131,516.11
  5. Step 5: Solve for x
    x = 4,020,131,516.11/55,487.20
  6. Step 6: Final answer
    x = 72,451.51

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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.