Home / 91,035.82-125,633.28-50,749.54

Finding the Fourth Proportional to 91,035.82, 125,633.28 and 50,749.54

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Solution

The fourth proportional to 91,035.82, 125,633.28 and 50,749.54 is: 70,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,035.82 : 125,633.28 = 50,749.54 : x
  2. Step 2: Convert to fraction form
    91,035.82/125,633.28 = 50,749.54/x
  3. Step 3: Cross multiply
    91,035.82x = 125,633.28 × 50,749.54
  4. Step 4: Simplify right side
    91,035.82x = 6,375,831,168.69
  5. Step 5: Solve for x
    x = 6,375,831,168.69/91,035.82
  6. Step 6: Final answer
    x = 70,036.51

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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.