Home / 91,098.60-125,716.28-50,814.97

Finding the Fourth Proportional to 91,098.60, 125,716.28 and 50,814.97

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Solution

The fourth proportional to 91,098.60, 125,716.28 and 50,814.97 is: 70,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,098.60 : 125,716.28 = 50,814.97 : x
  2. Step 2: Convert to fraction form
    91,098.60/125,716.28 = 50,814.97/x
  3. Step 3: Cross multiply
    91,098.60x = 125,716.28 × 50,814.97
  4. Step 4: Simplify right side
    91,098.60x = 6,388,268,996.71
  5. Step 5: Solve for x
    x = 6,388,268,996.71/91,098.60
  6. Step 6: Final answer
    x = 70,124.78

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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.