Home / 87,021.42-130,532.22-23,842.09

Finding the Fourth Proportional to 87,021.42, 130,532.22 and 23,842.09

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Solution

The fourth proportional to 87,021.42, 130,532.22 and 23,842.09 is: 35,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,021.42 : 130,532.22 = 23,842.09 : x
  2. Step 2: Convert to fraction form
    87,021.42/130,532.22 = 23,842.09/x
  3. Step 3: Cross multiply
    87,021.42x = 130,532.22 × 23,842.09
  4. Step 4: Simplify right side
    87,021.42x = 3,112,160,373.89
  5. Step 5: Solve for x
    x = 3,112,160,373.89/87,021.42
  6. Step 6: Final answer
    x = 35,763.16

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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.