Home / 91,615.11-126,436.53-50,789.22

Finding the Fourth Proportional to 91,615.11, 126,436.53 and 50,789.22

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Solution

The fourth proportional to 91,615.11, 126,436.53 and 50,789.22 is: 70,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,615.11 : 126,436.53 = 50,789.22 : x
  2. Step 2: Convert to fraction form
    91,615.11/126,436.53 = 50,789.22/x
  3. Step 3: Cross multiply
    91,615.11x = 126,436.53 × 50,789.22
  4. Step 4: Simplify right side
    91,615.11x = 6,421,612,738.21
  5. Step 5: Solve for x
    x = 6,421,612,738.21/91,615.11
  6. Step 6: Final answer
    x = 70,093.38

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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.