Home / 66,227.47-91,427.76-51,086.14

Finding the Fourth Proportional to 66,227.47, 91,427.76 and 51,086.14

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Solution

The fourth proportional to 66,227.47, 91,427.76 and 51,086.14 is: 70,524.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,227.47 : 91,427.76 = 51,086.14 : x
  2. Step 2: Convert to fraction form
    66,227.47/91,427.76 = 51,086.14/x
  3. Step 3: Cross multiply
    66,227.47x = 91,427.76 × 51,086.14
  4. Step 4: Simplify right side
    66,227.47x = 4,670,691,347.25
  5. Step 5: Solve for x
    x = 4,670,691,347.25/66,227.47
  6. Step 6: Final answer
    x = 70,524.99

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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.