Home / 69,470.48-95,868.00-39,255.15

Finding the Fourth Proportional to 69,470.48, 95,868.00 and 39,255.15

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Solution

The fourth proportional to 69,470.48, 95,868.00 and 39,255.15 is: 54,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.48 : 95,868.00 = 39,255.15 : x
  2. Step 2: Convert to fraction form
    69,470.48/95,868.00 = 39,255.15/x
  3. Step 3: Cross multiply
    69,470.48x = 95,868.00 × 39,255.15
  4. Step 4: Simplify right side
    69,470.48x = 3,763,312,578.67
  5. Step 5: Solve for x
    x = 3,763,312,578.67/69,470.48
  6. Step 6: Final answer
    x = 54,171.40

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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.