Home / 69,720.75-96,215.25-37,889.65

Finding the Fourth Proportional to 69,720.75, 96,215.25 and 37,889.65

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Solution

The fourth proportional to 69,720.75, 96,215.25 and 37,889.65 is: 52,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,720.75 : 96,215.25 = 37,889.65 : x
  2. Step 2: Convert to fraction form
    69,720.75/96,215.25 = 37,889.65/x
  3. Step 3: Cross multiply
    69,720.75x = 96,215.25 × 37,889.65
  4. Step 4: Simplify right side
    69,720.75x = 3,645,562,147.16
  5. Step 5: Solve for x
    x = 3,645,562,147.16/69,720.75
  6. Step 6: Final answer
    x = 52,288.05

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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.