Home / 87,676.11-131,533.65-40,903.47

Finding the Fourth Proportional to 87,676.11, 131,533.65 and 40,903.47

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Solution

The fourth proportional to 87,676.11, 131,533.65 and 40,903.47 is: 61,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,676.11 : 131,533.65 = 40,903.47 : x
  2. Step 2: Convert to fraction form
    87,676.11/131,533.65 = 40,903.47/x
  3. Step 3: Cross multiply
    87,676.11x = 131,533.65 × 40,903.47
  4. Step 4: Simplify right side
    87,676.11x = 5,380,182,706.77
  5. Step 5: Solve for x
    x = 5,380,182,706.77/87,676.11
  6. Step 6: Final answer
    x = 61,364.30

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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.