Home / 80,729.25-121,092.65-24,567.09

Finding the Fourth Proportional to 80,729.25, 121,092.65 and 24,567.09

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Solution

The fourth proportional to 80,729.25, 121,092.65 and 24,567.09 is: 36,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,729.25 : 121,092.65 = 24,567.09 : x
  2. Step 2: Convert to fraction form
    80,729.25/121,092.65 = 24,567.09/x
  3. Step 3: Cross multiply
    80,729.25x = 121,092.65 × 24,567.09
  4. Step 4: Simplify right side
    80,729.25x = 2,974,894,030.89
  5. Step 5: Solve for x
    x = 2,974,894,030.89/80,729.25
  6. Step 6: Final answer
    x = 36,850.26

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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.