Home / 66,587.25-91,890.41-36,781.17

Finding the Fourth Proportional to 66,587.25, 91,890.41 and 36,781.17

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Solution

The fourth proportional to 66,587.25, 91,890.41 and 36,781.17 is: 50,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,587.25 : 91,890.41 = 36,781.17 : x
  2. Step 2: Convert to fraction form
    66,587.25/91,890.41 = 36,781.17/x
  3. Step 3: Cross multiply
    66,587.25x = 91,890.41 × 36,781.17
  4. Step 4: Simplify right side
    66,587.25x = 3,379,836,607.67
  5. Step 5: Solve for x
    x = 3,379,836,607.67/66,587.25
  6. Step 6: Final answer
    x = 50,758.01

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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.