Home / 120,521.37-180,756.10-49,374.24

Finding the Fourth Proportional to 120,521.37, 180,756.10 and 49,374.24

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Solution

The fourth proportional to 120,521.37, 180,756.10 and 49,374.24 is: 74,050.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,521.37 : 180,756.10 = 49,374.24 : x
  2. Step 2: Convert to fraction form
    120,521.37/180,756.10 = 49,374.24/x
  3. Step 3: Cross multiply
    120,521.37x = 180,756.10 × 49,374.24
  4. Step 4: Simplify right side
    120,521.37x = 8,924,695,062.86
  5. Step 5: Solve for x
    x = 8,924,695,062.86/120,521.37
  6. Step 6: Final answer
    x = 74,050.73

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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.