Home / 69,031.42-95,433.12-68,399.92

Finding the Fourth Proportional to 69,031.42, 95,433.12 and 68,399.92

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Solution

The fourth proportional to 69,031.42, 95,433.12 and 68,399.92 is: 94,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,031.42 : 95,433.12 = 68,399.92 : x
  2. Step 2: Convert to fraction form
    69,031.42/95,433.12 = 68,399.92/x
  3. Step 3: Cross multiply
    69,031.42x = 95,433.12 × 68,399.92
  4. Step 4: Simplify right side
    69,031.42x = 6,527,618,011.93
  5. Step 5: Solve for x
    x = 6,527,618,011.93/69,031.42
  6. Step 6: Final answer
    x = 94,560.10

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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.