Home / 80,788.84-121,187.79-24,630.77

Finding the Fourth Proportional to 80,788.84, 121,187.79 and 24,630.77

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Solution

The fourth proportional to 80,788.84, 121,187.79 and 24,630.77 is: 36,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,788.84 : 121,187.79 = 24,630.77 : x
  2. Step 2: Convert to fraction form
    80,788.84/121,187.79 = 24,630.77/x
  3. Step 3: Cross multiply
    80,788.84x = 121,187.79 × 24,630.77
  4. Step 4: Simplify right side
    80,788.84x = 2,984,948,885.27
  5. Step 5: Solve for x
    x = 2,984,948,885.27/80,788.84
  6. Step 6: Final answer
    x = 36,947.54

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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.