Home / 66,288.27-91,476.54-36,074.26

Finding the Fourth Proportional to 66,288.27, 91,476.54 and 36,074.26

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Solution

The fourth proportional to 66,288.27, 91,476.54 and 36,074.26 is: 49,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,288.27 : 91,476.54 = 36,074.26 : x
  2. Step 2: Convert to fraction form
    66,288.27/91,476.54 = 36,074.26/x
  3. Step 3: Cross multiply
    66,288.27x = 91,476.54 × 36,074.26
  4. Step 4: Simplify right side
    66,288.27x = 3,299,948,602.21
  5. Step 5: Solve for x
    x = 3,299,948,602.21/66,288.27
  6. Step 6: Final answer
    x = 49,781.79

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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.