Home / 60,144.33-90,216.09-47,007.75

Finding the Fourth Proportional to 60,144.33, 90,216.09 and 47,007.75

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Solution

The fourth proportional to 60,144.33, 90,216.09 and 47,007.75 is: 70,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,144.33 : 90,216.09 = 47,007.75 : x
  2. Step 2: Convert to fraction form
    60,144.33/90,216.09 = 47,007.75/x
  3. Step 3: Cross multiply
    60,144.33x = 90,216.09 × 47,007.75
  4. Step 4: Simplify right side
    60,144.33x = 4,240,855,404.70
  5. Step 5: Solve for x
    x = 4,240,855,404.70/60,144.33
  6. Step 6: Final answer
    x = 70,511.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.