Home / 80,650.76-111,296.64-44,836.16

Finding the Fourth Proportional to 80,650.76, 111,296.64 and 44,836.16

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Solution

The fourth proportional to 80,650.76, 111,296.64 and 44,836.16 is: 61,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650.76 : 111,296.64 = 44,836.16 : x
  2. Step 2: Convert to fraction form
    80,650.76/111,296.64 = 44,836.16/x
  3. Step 3: Cross multiply
    80,650.76x = 111,296.64 × 44,836.16
  4. Step 4: Simplify right side
    80,650.76x = 4,990,113,958.50
  5. Step 5: Solve for x
    x = 4,990,113,958.50/80,650.76
  6. Step 6: Final answer
    x = 61,873.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.