Home / 80,961.61-121,450.51-24,801.07

Finding the Fourth Proportional to 80,961.61, 121,450.51 and 24,801.07

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Solution

The fourth proportional to 80,961.61, 121,450.51 and 24,801.07 is: 37,204.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,961.61 : 121,450.51 = 24,801.07 : x
  2. Step 2: Convert to fraction form
    80,961.61/121,450.51 = 24,801.07/x
  3. Step 3: Cross multiply
    80,961.61x = 121,450.51 × 24,801.07
  4. Step 4: Simplify right side
    80,961.61x = 3,012,102,600.05
  5. Step 5: Solve for x
    x = 3,012,102,600.05/80,961.61
  6. Step 6: Final answer
    x = 37,204.08

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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.