Home / 71,418.85-107,182.04-48,875.54

Finding the Fourth Proportional to 71,418.85, 107,182.04 and 48,875.54

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Solution

The fourth proportional to 71,418.85, 107,182.04 and 48,875.54 is: 73,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,418.85 : 107,182.04 = 48,875.54 : x
  2. Step 2: Convert to fraction form
    71,418.85/107,182.04 = 48,875.54/x
  3. Step 3: Cross multiply
    71,418.85x = 107,182.04 × 48,875.54
  4. Step 4: Simplify right side
    71,418.85x = 5,238,579,303.01
  5. Step 5: Solve for x
    x = 5,238,579,303.01/71,418.85
  6. Step 6: Final answer
    x = 73,350.10

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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.