Home / 80,447.16-120,688.02-24,291.48

Finding the Fourth Proportional to 80,447.16, 120,688.02 and 24,291.48

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Solution

The fourth proportional to 80,447.16, 120,688.02 and 24,291.48 is: 36,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,447.16 : 120,688.02 = 24,291.48 : x
  2. Step 2: Convert to fraction form
    80,447.16/120,688.02 = 24,291.48/x
  3. Step 3: Cross multiply
    80,447.16x = 120,688.02 × 24,291.48
  4. Step 4: Simplify right side
    80,447.16x = 2,931,690,624.07
  5. Step 5: Solve for x
    x = 2,931,690,624.07/80,447.16
  6. Step 6: Final answer
    x = 36,442.44

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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.