Home / 80,927.57-121,415.05-41,512.16

Finding the Fourth Proportional to 80,927.57, 121,415.05 and 41,512.16

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Solution

The fourth proportional to 80,927.57, 121,415.05 and 41,512.16 is: 62,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,927.57 : 121,415.05 = 41,512.16 : x
  2. Step 2: Convert to fraction form
    80,927.57/121,415.05 = 41,512.16/x
  3. Step 3: Cross multiply
    80,927.57x = 121,415.05 × 41,512.16
  4. Step 4: Simplify right side
    80,927.57x = 5,040,201,337.44
  5. Step 5: Solve for x
    x = 5,040,201,337.44/80,927.57
  6. Step 6: Final answer
    x = 62,280.40

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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.