Home / 87,137.12-130,705.86-23,958.08

Finding the Fourth Proportional to 87,137.12, 130,705.86 and 23,958.08

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Solution

The fourth proportional to 87,137.12, 130,705.86 and 23,958.08 is: 35,937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,137.12 : 130,705.86 = 23,958.08 : x
  2. Step 2: Convert to fraction form
    87,137.12/130,705.86 = 23,958.08/x
  3. Step 3: Cross multiply
    87,137.12x = 130,705.86 × 23,958.08
  4. Step 4: Simplify right side
    87,137.12x = 3,131,461,450.35
  5. Step 5: Solve for x
    x = 3,131,461,450.35/87,137.12
  6. Step 6: Final answer
    x = 35,937.17

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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.