Home / 91,129.39-125,758.99-50,844.85

Finding the Fourth Proportional to 91,129.39, 125,758.99 and 50,844.85

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Solution

The fourth proportional to 91,129.39, 125,758.99 and 50,844.85 is: 70,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,129.39 : 125,758.99 = 50,844.85 : x
  2. Step 2: Convert to fraction form
    91,129.39/125,758.99 = 50,844.85/x
  3. Step 3: Cross multiply
    91,129.39x = 125,758.99 × 50,844.85
  4. Step 4: Simplify right side
    91,129.39x = 6,394,196,538.09
  5. Step 5: Solve for x
    x = 6,394,196,538.09/91,129.39
  6. Step 6: Final answer
    x = 70,166.13

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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.