Home / 80,807.59-121,218.39-24,660.34

Finding the Fourth Proportional to 80,807.59, 121,218.39 and 24,660.34

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Solution

The fourth proportional to 80,807.59, 121,218.39 and 24,660.34 is: 36,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,807.59 : 121,218.39 = 24,660.34 : x
  2. Step 2: Convert to fraction form
    80,807.59/121,218.39 = 24,660.34/x
  3. Step 3: Cross multiply
    80,807.59x = 121,218.39 × 24,660.34
  4. Step 4: Simplify right side
    80,807.59x = 2,989,286,711.65
  5. Step 5: Solve for x
    x = 2,989,286,711.65/80,807.59
  6. Step 6: Final answer
    x = 36,992.65

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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.