Home / 77,713.16-116,589.12-25,127.96

Finding the Fourth Proportional to 77,713.16, 116,589.12 and 25,127.96

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Solution

The fourth proportional to 77,713.16, 116,589.12 and 25,127.96 is: 37,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,713.16 : 116,589.12 = 25,127.96 : x
  2. Step 2: Convert to fraction form
    77,713.16/116,589.12 = 25,127.96/x
  3. Step 3: Cross multiply
    77,713.16x = 116,589.12 × 25,127.96
  4. Step 4: Simplify right side
    77,713.16x = 2,929,646,743.80
  5. Step 5: Solve for x
    x = 2,929,646,743.80/77,713.16
  6. Step 6: Final answer
    x = 37,698.21

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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.