Home / 69,031.28-95,257.80-38,810.96

Finding the Fourth Proportional to 69,031.28, 95,257.80 and 38,810.96

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Solution

The fourth proportional to 69,031.28, 95,257.80 and 38,810.96 is: 53,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,031.28 : 95,257.80 = 38,810.96 : x
  2. Step 2: Convert to fraction form
    69,031.28/95,257.80 = 38,810.96/x
  3. Step 3: Cross multiply
    69,031.28x = 95,257.80 × 38,810.96
  4. Step 4: Simplify right side
    69,031.28x = 3,697,046,665.49
  5. Step 5: Solve for x
    x = 3,697,046,665.49/69,031.28
  6. Step 6: Final answer
    x = 53,556.11

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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.