Home / 40,150.56-60,207.84-12,442.08

Finding the Fourth Proportional to 40,150.56, 60,207.84 and 12,442.08

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Solution

The fourth proportional to 40,150.56, 60,207.84 and 12,442.08 is: 18,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,150.56 : 60,207.84 = 12,442.08 : x
  2. Step 2: Convert to fraction form
    40,150.56/60,207.84 = 12,442.08/x
  3. Step 3: Cross multiply
    40,150.56x = 60,207.84 × 12,442.08
  4. Step 4: Simplify right side
    40,150.56x = 749,110,761.91
  5. Step 5: Solve for x
    x = 749,110,761.91/40,150.56
  6. Step 6: Final answer
    x = 18,657.54

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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.