Home / 66,412.14-91,648.17-36,197.47

Finding the Fourth Proportional to 66,412.14, 91,648.17 and 36,197.47

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Solution

The fourth proportional to 66,412.14, 91,648.17 and 36,197.47 is: 49,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,412.14 : 91,648.17 = 36,197.47 : x
  2. Step 2: Convert to fraction form
    66,412.14/91,648.17 = 36,197.47/x
  3. Step 3: Cross multiply
    66,412.14x = 91,648.17 × 36,197.47
  4. Step 4: Simplify right side
    66,412.14x = 3,317,431,483.17
  5. Step 5: Solve for x
    x = 3,317,431,483.17/66,412.14
  6. Step 6: Final answer
    x = 49,952.18

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1.5x scale

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.