Home / 91,619.72-126,426.66-51,324.94

Finding the Fourth Proportional to 91,619.72, 126,426.66 and 51,324.94

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Solution

The fourth proportional to 91,619.72, 126,426.66 and 51,324.94 is: 70,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,619.72 : 126,426.66 = 51,324.94 : x
  2. Step 2: Convert to fraction form
    91,619.72/126,426.66 = 51,324.94/x
  3. Step 3: Cross multiply
    91,619.72x = 126,426.66 × 51,324.94
  4. Step 4: Simplify right side
    91,619.72x = 6,488,839,850.14
  5. Step 5: Solve for x
    x = 6,488,839,850.14/91,619.72
  6. Step 6: Final answer
    x = 70,823.62

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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.