Home / 91,103.60-125,723.14-50,816.32

Finding the Fourth Proportional to 91,103.60, 125,723.14 and 50,816.32

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Solution

The fourth proportional to 91,103.60, 125,723.14 and 50,816.32 is: 70,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,103.60 : 125,723.14 = 50,816.32 : x
  2. Step 2: Convert to fraction form
    91,103.60/125,723.14 = 50,816.32/x
  3. Step 3: Cross multiply
    91,103.60x = 125,723.14 × 50,816.32
  4. Step 4: Simplify right side
    91,103.60x = 6,388,787,313.64
  5. Step 5: Solve for x
    x = 6,388,787,313.64/91,103.60
  6. Step 6: Final answer
    x = 70,126.62

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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.