Home / 91,928.41-137,765.04-41,886.21

Finding the Fourth Proportional to 91,928.41, 137,765.04 and 41,886.21

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Solution

The fourth proportional to 91,928.41, 137,765.04 and 41,886.21 is: 62,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,928.41 : 137,765.04 = 41,886.21 : x
  2. Step 2: Convert to fraction form
    91,928.41/137,765.04 = 41,886.21/x
  3. Step 3: Cross multiply
    91,928.41x = 137,765.04 × 41,886.21
  4. Step 4: Simplify right side
    91,928.41x = 5,770,455,396.10
  5. Step 5: Solve for x
    x = 5,770,455,396.10/91,928.41
  6. Step 6: Final answer
    x = 62,771.19

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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.