Home / 91,105.17-125,727.03-50,820.63

Finding the Fourth Proportional to 91,105.17, 125,727.03 and 50,820.63

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Solution

The fourth proportional to 91,105.17, 125,727.03 and 50,820.63 is: 70,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,105.17 : 125,727.03 = 50,820.63 : x
  2. Step 2: Convert to fraction form
    91,105.17/125,727.03 = 50,820.63/x
  3. Step 3: Cross multiply
    91,105.17x = 125,727.03 × 50,820.63
  4. Step 4: Simplify right side
    91,105.17x = 6,389,526,872.63
  5. Step 5: Solve for x
    x = 6,389,526,872.63/91,105.17
  6. Step 6: Final answer
    x = 70,133.53

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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.