Home / 76,708.24-115,069.01-23,412.20

Finding the Fourth Proportional to 76,708.24, 115,069.01 and 23,412.20

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Solution

The fourth proportional to 76,708.24, 115,069.01 and 23,412.20 is: 35,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,708.24 : 115,069.01 = 23,412.20 : x
  2. Step 2: Convert to fraction form
    76,708.24/115,069.01 = 23,412.20/x
  3. Step 3: Cross multiply
    76,708.24x = 115,069.01 × 23,412.20
  4. Step 4: Simplify right side
    76,708.24x = 2,694,017,983.52
  5. Step 5: Solve for x
    x = 2,694,017,983.52/76,708.24
  6. Step 6: Final answer
    x = 35,120.32

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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.