Home / 87,031.15-130,523.09-23,836.04

Finding the Fourth Proportional to 87,031.15, 130,523.09 and 23,836.04

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Solution

The fourth proportional to 87,031.15, 130,523.09 and 23,836.04 is: 35,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,031.15 : 130,523.09 = 23,836.04 : x
  2. Step 2: Convert to fraction form
    87,031.15/130,523.09 = 23,836.04/x
  3. Step 3: Cross multiply
    87,031.15x = 130,523.09 × 23,836.04
  4. Step 4: Simplify right side
    87,031.15x = 3,111,152,990.72
  5. Step 5: Solve for x
    x = 3,111,152,990.72/87,031.15
  6. Step 6: Final answer
    x = 35,747.58

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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.