Home / 80,788.71-121,187.56-24,630.67

Finding the Fourth Proportional to 80,788.71, 121,187.56 and 24,630.67

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Solution

The fourth proportional to 80,788.71, 121,187.56 and 24,630.67 is: 36,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,788.71 : 121,187.56 = 24,630.67 : x
  2. Step 2: Convert to fraction form
    80,788.71/121,187.56 = 24,630.67/x
  3. Step 3: Cross multiply
    80,788.71x = 121,187.56 × 24,630.67
  4. Step 4: Simplify right side
    80,788.71x = 2,984,930,798.47
  5. Step 5: Solve for x
    x = 2,984,930,798.47/80,788.71
  6. Step 6: Final answer
    x = 36,947.38

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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.