Home / 66,555.14-91,849.82-36,343.28

Finding the Fourth Proportional to 66,555.14, 91,849.82 and 36,343.28

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Solution

The fourth proportional to 66,555.14, 91,849.82 and 36,343.28 is: 50,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,555.14 : 91,849.82 = 36,343.28 : x
  2. Step 2: Convert to fraction form
    66,555.14/91,849.82 = 36,343.28/x
  3. Step 3: Cross multiply
    66,555.14x = 91,849.82 × 36,343.28
  4. Step 4: Simplify right side
    66,555.14x = 3,338,123,726.21
  5. Step 5: Solve for x
    x = 3,338,123,726.21/66,555.14
  6. Step 6: Final answer
    x = 50,155.76

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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.