Home / 69,475.60-95,875.92-39,270.70

Finding the Fourth Proportional to 69,475.60, 95,875.92 and 39,270.70

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Solution

The fourth proportional to 69,475.60, 95,875.92 and 39,270.70 is: 54,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,475.60 : 95,875.92 = 39,270.70 : x
  2. Step 2: Convert to fraction form
    69,475.60/95,875.92 = 39,270.70/x
  3. Step 3: Cross multiply
    69,475.60x = 95,875.92 × 39,270.70
  4. Step 4: Simplify right side
    69,475.60x = 3,765,114,491.54
  5. Step 5: Solve for x
    x = 3,765,114,491.54/69,475.60
  6. Step 6: Final answer
    x = 54,193.34

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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.