Home / 90,814.70-125,322.31-52,575.87

Finding the Fourth Proportional to 90,814.70, 125,322.31 and 52,575.87

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Solution

The fourth proportional to 90,814.70, 125,322.31 and 52,575.87 is: 72,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,814.70 : 125,322.31 = 52,575.87 : x
  2. Step 2: Convert to fraction form
    90,814.70/125,322.31 = 52,575.87/x
  3. Step 3: Cross multiply
    90,814.70x = 125,322.31 × 52,575.87
  4. Step 4: Simplify right side
    90,814.70x = 6,588,929,478.66
  5. Step 5: Solve for x
    x = 6,588,929,478.66/90,814.70
  6. Step 6: Final answer
    x = 72,553.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.