Home / 75,674.30-113,430.45-25,708.10

Finding the Fourth Proportional to 75,674.30, 113,430.45 and 25,708.10

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Solution

The fourth proportional to 75,674.30, 113,430.45 and 25,708.10 is: 38,534.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,674.30 : 113,430.45 = 25,708.10 : x
  2. Step 2: Convert to fraction form
    75,674.30/113,430.45 = 25,708.10/x
  3. Step 3: Cross multiply
    75,674.30x = 113,430.45 × 25,708.10
  4. Step 4: Simplify right side
    75,674.30x = 2,916,081,351.65
  5. Step 5: Solve for x
    x = 2,916,081,351.65/75,674.30
  6. Step 6: Final answer
    x = 38,534.63

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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.