Home / 69,530.29-95,951.20-39,321.55

Finding the Fourth Proportional to 69,530.29, 95,951.20 and 39,321.55

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Solution

The fourth proportional to 69,530.29, 95,951.20 and 39,321.55 is: 54,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,530.29 : 95,951.20 = 39,321.55 : x
  2. Step 2: Convert to fraction form
    69,530.29/95,951.20 = 39,321.55/x
  3. Step 3: Cross multiply
    69,530.29x = 95,951.20 × 39,321.55
  4. Step 4: Simplify right side
    69,530.29x = 3,772,949,908.36
  5. Step 5: Solve for x
    x = 3,772,949,908.36/69,530.29
  6. Step 6: Final answer
    x = 54,263.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.