Home / 80,880.50-121,320.76-24,720.77

Finding the Fourth Proportional to 80,880.50, 121,320.76 and 24,720.77

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Solution

The fourth proportional to 80,880.50, 121,320.76 and 24,720.77 is: 37,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,880.50 : 121,320.76 = 24,720.77 : x
  2. Step 2: Convert to fraction form
    80,880.50/121,320.76 = 24,720.77/x
  3. Step 3: Cross multiply
    80,880.50x = 121,320.76 × 24,720.77
  4. Step 4: Simplify right side
    80,880.50x = 2,999,142,845.69
  5. Step 5: Solve for x
    x = 2,999,142,845.69/80,880.50
  6. Step 6: Final answer
    x = 37,081.16

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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.