Home / 91,621.26-137,388.42-35,487.66

Finding the Fourth Proportional to 91,621.26, 137,388.42 and 35,487.66

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Solution

The fourth proportional to 91,621.26, 137,388.42 and 35,487.66 is: 53,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,621.26 : 137,388.42 = 35,487.66 : x
  2. Step 2: Convert to fraction form
    91,621.26/137,388.42 = 35,487.66/x
  3. Step 3: Cross multiply
    91,621.26x = 137,388.42 × 35,487.66
  4. Step 4: Simplify right side
    91,621.26x = 4,875,593,536.90
  5. Step 5: Solve for x
    x = 4,875,593,536.90/91,621.26
  6. Step 6: Final answer
    x = 53,214.65

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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.