Home / 42,609.05-63,842.94-25,918.59

Finding the Fourth Proportional to 42,609.05, 63,842.94 and 25,918.59

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Solution

The fourth proportional to 42,609.05, 63,842.94 and 25,918.59 is: 38,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,609.05 : 63,842.94 = 25,918.59 : x
  2. Step 2: Convert to fraction form
    42,609.05/63,842.94 = 25,918.59/x
  3. Step 3: Cross multiply
    42,609.05x = 63,842.94 × 25,918.59
  4. Step 4: Simplify right side
    42,609.05x = 1,654,718,986.25
  5. Step 5: Solve for x
    x = 1,654,718,986.25/42,609.05
  6. Step 6: Final answer
    x = 38,834.92

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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.