Home / 80,730.14-121,121.16-24,581.12

Finding the Fourth Proportional to 80,730.14, 121,121.16 and 24,581.12

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Solution

The fourth proportional to 80,730.14, 121,121.16 and 24,581.12 is: 36,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,730.14 : 121,121.16 = 24,581.12 : x
  2. Step 2: Convert to fraction form
    80,730.14/121,121.16 = 24,581.12/x
  3. Step 3: Cross multiply
    80,730.14x = 121,121.16 × 24,581.12
  4. Step 4: Simplify right side
    80,730.14x = 2,977,293,768.50
  5. Step 5: Solve for x
    x = 2,977,293,768.50/80,730.14
  6. Step 6: Final answer
    x = 36,879.58

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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.