Home / 91,046.28-125,634.78-55,234.14

Finding the Fourth Proportional to 91,046.28, 125,634.78 and 55,234.14

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Solution

The fourth proportional to 91,046.28, 125,634.78 and 55,234.14 is: 76,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,046.28 : 125,634.78 = 55,234.14 : x
  2. Step 2: Convert to fraction form
    91,046.28/125,634.78 = 55,234.14/x
  3. Step 3: Cross multiply
    91,046.28x = 125,634.78 × 55,234.14
  4. Step 4: Simplify right side
    91,046.28x = 6,939,329,027.39
  5. Step 5: Solve for x
    x = 6,939,329,027.39/91,046.28
  6. Step 6: Final answer
    x = 76,217.60

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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.