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Finding the Fourth Proportional to 80,291.52, 120,327.84 and 46,941.12

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Solution

The fourth proportional to 80,291.52, 120,327.84 and 46,941.12 is: 70,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,291.52 : 120,327.84 = 46,941.12 : x
  2. Step 2: Convert to fraction form
    80,291.52/120,327.84 = 46,941.12/x
  3. Step 3: Cross multiply
    80,291.52x = 120,327.84 × 46,941.12
  4. Step 4: Simplify right side
    80,291.52x = 5,648,323,576.78
  5. Step 5: Solve for x
    x = 5,648,323,576.78/80,291.52
  6. Step 6: Final answer
    x = 70,347.70

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1.5x scale

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.