Home / 91,964.75-137,947.57-27,923.45

Finding the Fourth Proportional to 91,964.75, 137,947.57 and 27,923.45

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Solution

The fourth proportional to 91,964.75, 137,947.57 and 27,923.45 is: 41,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,964.75 : 137,947.57 = 27,923.45 : x
  2. Step 2: Convert to fraction form
    91,964.75/137,947.57 = 27,923.45/x
  3. Step 3: Cross multiply
    91,964.75x = 137,947.57 × 27,923.45
  4. Step 4: Simplify right side
    91,964.75x = 3,851,971,313.97
  5. Step 5: Solve for x
    x = 3,851,971,313.97/91,964.75
  6. Step 6: Final answer
    x = 41,885.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.