Home / 69,212.56-95,515.32-38,998.24

Finding the Fourth Proportional to 69,212.56, 95,515.32 and 38,998.24

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Solution

The fourth proportional to 69,212.56, 95,515.32 and 38,998.24 is: 53,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,212.56 : 95,515.32 = 38,998.24 : x
  2. Step 2: Convert to fraction form
    69,212.56/95,515.32 = 38,998.24/x
  3. Step 3: Cross multiply
    69,212.56x = 95,515.32 × 38,998.24
  4. Step 4: Simplify right side
    69,212.56x = 3,724,929,373.04
  5. Step 5: Solve for x
    x = 3,724,929,373.04/69,212.56
  6. Step 6: Final answer
    x = 53,818.69

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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.