Home / 162,432.87-243,684.05-48,589.60

Finding the Fourth Proportional to 162,432.87, 243,684.05 and 48,589.60

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Solution

The fourth proportional to 162,432.87, 243,684.05 and 48,589.60 is: 72,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,432.87 : 243,684.05 = 48,589.60 : x
  2. Step 2: Convert to fraction form
    162,432.87/243,684.05 = 48,589.60/x
  3. Step 3: Cross multiply
    162,432.87x = 243,684.05 × 48,589.60
  4. Step 4: Simplify right side
    162,432.87x = 11,840,510,515.88
  5. Step 5: Solve for x
    x = 11,840,510,515.88/162,432.87
  6. Step 6: Final answer
    x = 72,894.79

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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.