Home / 80,825.67-121,238.50-24,666.06

Finding the Fourth Proportional to 80,825.67, 121,238.50 and 24,666.06

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Solution

The fourth proportional to 80,825.67, 121,238.50 and 24,666.06 is: 36,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,825.67 : 121,238.50 = 24,666.06 : x
  2. Step 2: Convert to fraction form
    80,825.67/121,238.50 = 24,666.06/x
  3. Step 3: Cross multiply
    80,825.67x = 121,238.50 × 24,666.06
  4. Step 4: Simplify right side
    80,825.67x = 2,990,476,623.91
  5. Step 5: Solve for x
    x = 2,990,476,623.91/80,825.67
  6. Step 6: Final answer
    x = 36,999.10

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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.