Home / 90,575.28-135,907.92-60,609.24

Finding the Fourth Proportional to 90,575.28, 135,907.92 and 60,609.24

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Solution

The fourth proportional to 90,575.28, 135,907.92 and 60,609.24 is: 90,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,575.28 : 135,907.92 = 60,609.24 : x
  2. Step 2: Convert to fraction form
    90,575.28/135,907.92 = 60,609.24/x
  3. Step 3: Cross multiply
    90,575.28x = 135,907.92 × 60,609.24
  4. Step 4: Simplify right side
    90,575.28x = 8,237,275,741.18
  5. Step 5: Solve for x
    x = 8,237,275,741.18/90,575.28
  6. Step 6: Final answer
    x = 90,943.97

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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.