Home / 69,140.17-103,622.78-44,170.57

Finding the Fourth Proportional to 69,140.17, 103,622.78 and 44,170.57

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Solution

The fourth proportional to 69,140.17, 103,622.78 and 44,170.57 is: 66,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,140.17 : 103,622.78 = 44,170.57 : x
  2. Step 2: Convert to fraction form
    69,140.17/103,622.78 = 44,170.57/x
  3. Step 3: Cross multiply
    69,140.17x = 103,622.78 × 44,170.57
  4. Step 4: Simplify right side
    69,140.17x = 4,577,077,036.73
  5. Step 5: Solve for x
    x = 4,577,077,036.73/69,140.17
  6. Step 6: Final answer
    x = 66,199.97

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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.