Home / 80,911.68-121,316.78-24,733.10

Finding the Fourth Proportional to 80,911.68, 121,316.78 and 24,733.10

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Solution

The fourth proportional to 80,911.68, 121,316.78 and 24,733.10 is: 37,084.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,911.68 : 121,316.78 = 24,733.10 : x
  2. Step 2: Convert to fraction form
    80,911.68/121,316.78 = 24,733.10/x
  3. Step 3: Cross multiply
    80,911.68x = 121,316.78 × 24,733.10
  4. Step 4: Simplify right side
    80,911.68x = 3,000,540,051.42
  5. Step 5: Solve for x
    x = 3,000,540,051.42/80,911.68
  6. Step 6: Final answer
    x = 37,084.14

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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.