Home / 88,022.16-131,846.40-69,212.88

Finding the Fourth Proportional to 88,022.16, 131,846.40 and 69,212.88

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Solution

The fourth proportional to 88,022.16, 131,846.40 and 69,212.88 is: 103,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,022.16 : 131,846.40 = 69,212.88 : x
  2. Step 2: Convert to fraction form
    88,022.16/131,846.40 = 69,212.88/x
  3. Step 3: Cross multiply
    88,022.16x = 131,846.40 × 69,212.88
  4. Step 4: Simplify right side
    88,022.16x = 9,125,469,061.63
  5. Step 5: Solve for x
    x = 9,125,469,061.63/88,022.16
  6. Step 6: Final answer
    x = 103,672.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.