Home / 69,086.32-95,339.11-39,278.32

Finding the Fourth Proportional to 69,086.32, 95,339.11 and 39,278.32

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Solution

The fourth proportional to 69,086.32, 95,339.11 and 39,278.32 is: 54,204.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,086.32 : 95,339.11 = 39,278.32 : x
  2. Step 2: Convert to fraction form
    69,086.32/95,339.11 = 39,278.32/x
  3. Step 3: Cross multiply
    69,086.32x = 95,339.11 × 39,278.32
  4. Step 4: Simplify right side
    69,086.32x = 3,744,760,071.10
  5. Step 5: Solve for x
    x = 3,744,760,071.10/69,086.32
  6. Step 6: Final answer
    x = 54,204.08

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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.