Home / 61,222.29-91,868.88-25,680.45

Finding the Fourth Proportional to 61,222.29, 91,868.88 and 25,680.45

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Solution

The fourth proportional to 61,222.29, 91,868.88 and 25,680.45 is: 38,535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,222.29 : 91,868.88 = 25,680.45 : x
  2. Step 2: Convert to fraction form
    61,222.29/91,868.88 = 25,680.45/x
  3. Step 3: Cross multiply
    61,222.29x = 91,868.88 × 25,680.45
  4. Step 4: Simplify right side
    61,222.29x = 2,359,234,179.40
  5. Step 5: Solve for x
    x = 2,359,234,179.40/61,222.29
  6. Step 6: Final answer
    x = 38,535.54

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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.