Home / 69,432.07-95,817.19-38,803.82

Finding the Fourth Proportional to 69,432.07, 95,817.19 and 38,803.82

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Solution

The fourth proportional to 69,432.07, 95,817.19 and 38,803.82 is: 53,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,432.07 : 95,817.19 = 38,803.82 : x
  2. Step 2: Convert to fraction form
    69,432.07/95,817.19 = 38,803.82/x
  3. Step 3: Cross multiply
    69,432.07x = 95,817.19 × 38,803.82
  4. Step 4: Simplify right side
    69,432.07x = 3,718,072,993.67
  5. Step 5: Solve for x
    x = 3,718,072,993.67/69,432.07
  6. Step 6: Final answer
    x = 53,549.79

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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.