Home / 69,448.80-95,832.48-38,816.16

Finding the Fourth Proportional to 69,448.80, 95,832.48 and 38,816.16

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Solution

The fourth proportional to 69,448.80, 95,832.48 and 38,816.16 is: 53,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,448.80 : 95,832.48 = 38,816.16 : x
  2. Step 2: Convert to fraction form
    69,448.80/95,832.48 = 38,816.16/x
  3. Step 3: Cross multiply
    69,448.80x = 95,832.48 × 38,816.16
  4. Step 4: Simplify right side
    69,448.80x = 3,719,848,876.88
  5. Step 5: Solve for x
    x = 3,719,848,876.88/69,448.80
  6. Step 6: Final answer
    x = 53,562.46

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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.