Home / 87,308.28-130,904.10-27,316.44

Finding the Fourth Proportional to 87,308.28, 130,904.10 and 27,316.44

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Solution

The fourth proportional to 87,308.28, 130,904.10 and 27,316.44 is: 40,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,308.28 : 130,904.10 = 27,316.44 : x
  2. Step 2: Convert to fraction form
    87,308.28/130,904.10 = 27,316.44/x
  3. Step 3: Cross multiply
    87,308.28x = 130,904.10 × 27,316.44
  4. Step 4: Simplify right side
    87,308.28x = 3,575,833,993.40
  5. Step 5: Solve for x
    x = 3,575,833,993.40/87,308.28
  6. Step 6: Final answer
    x = 40,956.41

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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.