Home / 66,391.06-99,616.01-34,793.60

Finding the Fourth Proportional to 66,391.06, 99,616.01 and 34,793.60

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Solution

The fourth proportional to 66,391.06, 99,616.01 and 34,793.60 is: 52,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,391.06 : 99,616.01 = 34,793.60 : x
  2. Step 2: Convert to fraction form
    66,391.06/99,616.01 = 34,793.60/x
  3. Step 3: Cross multiply
    66,391.06x = 99,616.01 × 34,793.60
  4. Step 4: Simplify right side
    66,391.06x = 3,465,999,689.54
  5. Step 5: Solve for x
    x = 3,465,999,689.54/66,391.06
  6. Step 6: Final answer
    x = 52,205.82

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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.