Home / 69,002.83-95,223.40-40,321.74

Finding the Fourth Proportional to 69,002.83, 95,223.40 and 40,321.74

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Solution

The fourth proportional to 69,002.83, 95,223.40 and 40,321.74 is: 55,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,002.83 : 95,223.40 = 40,321.74 : x
  2. Step 2: Convert to fraction form
    69,002.83/95,223.40 = 40,321.74/x
  3. Step 3: Cross multiply
    69,002.83x = 95,223.40 × 40,321.74
  4. Step 4: Simplify right side
    69,002.83x = 3,839,573,176.72
  5. Step 5: Solve for x
    x = 3,839,573,176.72/69,002.83
  6. Step 6: Final answer
    x = 55,643.71

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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.