Home / 80,998.86-121,497.57-25,594.86

Finding the Fourth Proportional to 80,998.86, 121,497.57 and 25,594.86

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Solution

The fourth proportional to 80,998.86, 121,497.57 and 25,594.86 is: 38,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,998.86 : 121,497.57 = 25,594.86 : x
  2. Step 2: Convert to fraction form
    80,998.86/121,497.57 = 25,594.86/x
  3. Step 3: Cross multiply
    80,998.86x = 121,497.57 × 25,594.86
  4. Step 4: Simplify right side
    80,998.86x = 3,109,713,294.49
  5. Step 5: Solve for x
    x = 3,109,713,294.49/80,998.86
  6. Step 6: Final answer
    x = 38,392.06

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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.