Home / 72,074.48-108,160.94-25,327.36

Finding the Fourth Proportional to 72,074.48, 108,160.94 and 25,327.36

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Solution

The fourth proportional to 72,074.48, 108,160.94 and 25,327.36 is: 38,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,074.48 : 108,160.94 = 25,327.36 : x
  2. Step 2: Convert to fraction form
    72,074.48/108,160.94 = 25,327.36/x
  3. Step 3: Cross multiply
    72,074.48x = 108,160.94 × 25,327.36
  4. Step 4: Simplify right side
    72,074.48x = 2,739,431,065.32
  5. Step 5: Solve for x
    x = 2,739,431,065.32/72,074.48
  6. Step 6: Final answer
    x = 38,008.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.