Home / 66,834.66-92,231.80-36,621.13

Finding the Fourth Proportional to 66,834.66, 92,231.80 and 36,621.13

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Solution

The fourth proportional to 66,834.66, 92,231.80 and 36,621.13 is: 50,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,834.66 : 92,231.80 = 36,621.13 : x
  2. Step 2: Convert to fraction form
    66,834.66/92,231.80 = 36,621.13/x
  3. Step 3: Cross multiply
    66,834.66x = 92,231.80 × 36,621.13
  4. Step 4: Simplify right side
    66,834.66x = 3,377,632,354.13
  5. Step 5: Solve for x
    x = 3,377,632,354.13/66,834.66
  6. Step 6: Final answer
    x = 50,537.14

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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.