Home / 91,325.33-126,067.76-55,526.78

Finding the Fourth Proportional to 91,325.33, 126,067.76 and 55,526.78

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Solution

The fourth proportional to 91,325.33, 126,067.76 and 55,526.78 is: 76,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,325.33 : 126,067.76 = 55,526.78 : x
  2. Step 2: Convert to fraction form
    91,325.33/126,067.76 = 55,526.78/x
  3. Step 3: Cross multiply
    91,325.33x = 126,067.76 × 55,526.78
  4. Step 4: Simplify right side
    91,325.33x = 7,000,135,866.64
  5. Step 5: Solve for x
    x = 7,000,135,866.64/91,325.33
  6. Step 6: Final answer
    x = 76,650.54

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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.