Home / 91,329.91-126,024.36-50,488.54

Finding the Fourth Proportional to 91,329.91, 126,024.36 and 50,488.54

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Solution

The fourth proportional to 91,329.91, 126,024.36 and 50,488.54 is: 69,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,329.91 : 126,024.36 = 50,488.54 : x
  2. Step 2: Convert to fraction form
    91,329.91/126,024.36 = 50,488.54/x
  3. Step 3: Cross multiply
    91,329.91x = 126,024.36 × 50,488.54
  4. Step 4: Simplify right side
    91,329.91x = 6,362,785,940.83
  5. Step 5: Solve for x
    x = 6,362,785,940.83/91,329.91
  6. Step 6: Final answer
    x = 69,668.15

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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.