Home / 80,746.40-121,125.78-24,591.29

Finding the Fourth Proportional to 80,746.40, 121,125.78 and 24,591.29

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Solution

The fourth proportional to 80,746.40, 121,125.78 and 24,591.29 is: 36,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,746.40 : 121,125.78 = 24,591.29 : x
  2. Step 2: Convert to fraction form
    80,746.40/121,125.78 = 24,591.29/x
  3. Step 3: Cross multiply
    80,746.40x = 121,125.78 × 24,591.29
  4. Step 4: Simplify right side
    80,746.40x = 2,978,638,576.83
  5. Step 5: Solve for x
    x = 2,978,638,576.83/80,746.40
  6. Step 6: Final answer
    x = 36,888.81

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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.