Home / 69,011.78-95,235.32-38,384.59

Finding the Fourth Proportional to 69,011.78, 95,235.32 and 38,384.59

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Solution

The fourth proportional to 69,011.78, 95,235.32 and 38,384.59 is: 52,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,011.78 : 95,235.32 = 38,384.59 : x
  2. Step 2: Convert to fraction form
    69,011.78/95,235.32 = 38,384.59/x
  3. Step 3: Cross multiply
    69,011.78x = 95,235.32 × 38,384.59
  4. Step 4: Simplify right side
    69,011.78x = 3,655,568,527.28
  5. Step 5: Solve for x
    x = 3,655,568,527.28/69,011.78
  6. Step 6: Final answer
    x = 52,970.21

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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.