Home / 80,268.60-120,328.44-29,639.67

Finding the Fourth Proportional to 80,268.60, 120,328.44 and 29,639.67

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Solution

The fourth proportional to 80,268.60, 120,328.44 and 29,639.67 is: 44,432.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,268.60 : 120,328.44 = 29,639.67 : x
  2. Step 2: Convert to fraction form
    80,268.60/120,328.44 = 29,639.67/x
  3. Step 3: Cross multiply
    80,268.60x = 120,328.44 × 29,639.67
  4. Step 4: Simplify right side
    80,268.60x = 3,566,495,253.21
  5. Step 5: Solve for x
    x = 3,566,495,253.21/80,268.60
  6. Step 6: Final answer
    x = 44,432.01

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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.