Home / 91,641.85-137,419.63-35,508.25

Finding the Fourth Proportional to 91,641.85, 137,419.63 and 35,508.25

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Solution

The fourth proportional to 91,641.85, 137,419.63 and 35,508.25 is: 53,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,641.85 : 137,419.63 = 35,508.25 : x
  2. Step 2: Convert to fraction form
    91,641.85/137,419.63 = 35,508.25/x
  3. Step 3: Cross multiply
    91,641.85x = 137,419.63 × 35,508.25
  4. Step 4: Simplify right side
    91,641.85x = 4,879,530,576.95
  5. Step 5: Solve for x
    x = 4,879,530,576.95/91,641.85
  6. Step 6: Final answer
    x = 53,245.66

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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.