Home / 72,460.13-108,693.86-25,716.65

Finding the Fourth Proportional to 72,460.13, 108,693.86 and 25,716.65

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Solution

The fourth proportional to 72,460.13, 108,693.86 and 25,716.65 is: 38,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,460.13 : 108,693.86 = 25,716.65 : x
  2. Step 2: Convert to fraction form
    72,460.13/108,693.86 = 25,716.65/x
  3. Step 3: Cross multiply
    72,460.13x = 108,693.86 × 25,716.65
  4. Step 4: Simplify right side
    72,460.13x = 2,795,241,282.72
  5. Step 5: Solve for x
    x = 2,795,241,282.72/72,460.13
  6. Step 6: Final answer
    x = 38,576.27

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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.