Home / 80,889.72-121,334.89-24,729.61

Finding the Fourth Proportional to 80,889.72, 121,334.89 and 24,729.61

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Solution

The fourth proportional to 80,889.72, 121,334.89 and 24,729.61 is: 37,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,889.72 : 121,334.89 = 24,729.61 : x
  2. Step 2: Convert to fraction form
    80,889.72/121,334.89 = 24,729.61/x
  3. Step 3: Cross multiply
    80,889.72x = 121,334.89 × 24,729.61
  4. Step 4: Simplify right side
    80,889.72x = 3,000,564,509.09
  5. Step 5: Solve for x
    x = 3,000,564,509.09/80,889.72
  6. Step 6: Final answer
    x = 37,094.51

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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.