Home / 87,249.64-130,846.71-28,071.54

Finding the Fourth Proportional to 87,249.64, 130,846.71 and 28,071.54

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Solution

The fourth proportional to 87,249.64, 130,846.71 and 28,071.54 is: 42,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,249.64 : 130,846.71 = 28,071.54 : x
  2. Step 2: Convert to fraction form
    87,249.64/130,846.71 = 28,071.54/x
  3. Step 3: Cross multiply
    87,249.64x = 130,846.71 × 28,071.54
  4. Step 4: Simplify right side
    87,249.64x = 3,673,068,653.63
  5. Step 5: Solve for x
    x = 3,673,068,653.63/87,249.64
  6. Step 6: Final answer
    x = 42,098.38

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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.