Home / 69,203.35-103,632.22-45,702.55

Finding the Fourth Proportional to 69,203.35, 103,632.22 and 45,702.55

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Solution

The fourth proportional to 69,203.35, 103,632.22 and 45,702.55 is: 68,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,203.35 : 103,632.22 = 45,702.55 : x
  2. Step 2: Convert to fraction form
    69,203.35/103,632.22 = 45,702.55/x
  3. Step 3: Cross multiply
    69,203.35x = 103,632.22 × 45,702.55
  4. Step 4: Simplify right side
    69,203.35x = 4,736,256,716.16
  5. Step 5: Solve for x
    x = 4,736,256,716.16/69,203.35
  6. Step 6: Final answer
    x = 68,439.70

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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.