Home / 69,204.04-95,505.89-40,138.31

Finding the Fourth Proportional to 69,204.04, 95,505.89 and 40,138.31

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Solution

The fourth proportional to 69,204.04, 95,505.89 and 40,138.31 is: 55,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,204.04 : 95,505.89 = 40,138.31 : x
  2. Step 2: Convert to fraction form
    69,204.04/95,505.89 = 40,138.31/x
  3. Step 3: Cross multiply
    69,204.04x = 95,505.89 × 40,138.31
  4. Step 4: Simplify right side
    69,204.04x = 3,833,445,019.65
  5. Step 5: Solve for x
    x = 3,833,445,019.65/69,204.04
  6. Step 6: Final answer
    x = 55,393.37

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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.