Home / 91,103.55-125,723.10-50,816.28

Finding the Fourth Proportional to 91,103.55, 125,723.10 and 50,816.28

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Solution

The fourth proportional to 91,103.55, 125,723.10 and 50,816.28 is: 70,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,103.55 : 125,723.10 = 50,816.28 : x
  2. Step 2: Convert to fraction form
    91,103.55/125,723.10 = 50,816.28/x
  3. Step 3: Cross multiply
    91,103.55x = 125,723.10 × 50,816.28
  4. Step 4: Simplify right side
    91,103.55x = 6,388,780,252.07
  5. Step 5: Solve for x
    x = 6,388,780,252.07/91,103.55
  6. Step 6: Final answer
    x = 70,126.58

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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.