Home / 69,211.86-95,512.65-38,997.65

Finding the Fourth Proportional to 69,211.86, 95,512.65 and 38,997.65

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Solution

The fourth proportional to 69,211.86, 95,512.65 and 38,997.65 is: 53,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,211.86 : 95,512.65 = 38,997.65 : x
  2. Step 2: Convert to fraction form
    69,211.86/95,512.65 = 38,997.65/x
  3. Step 3: Cross multiply
    69,211.86x = 95,512.65 × 38,997.65
  4. Step 4: Simplify right side
    69,211.86x = 3,724,768,417.71
  5. Step 5: Solve for x
    x = 3,724,768,417.71/69,211.86
  6. Step 6: Final answer
    x = 53,816.91

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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.