Home / 69,322.88-95,666.69-39,108.78

Finding the Fourth Proportional to 69,322.88, 95,666.69 and 39,108.78

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Solution

The fourth proportional to 69,322.88, 95,666.69 and 39,108.78 is: 53,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,322.88 : 95,666.69 = 39,108.78 : x
  2. Step 2: Convert to fraction form
    69,322.88/95,666.69 = 39,108.78/x
  3. Step 3: Cross multiply
    69,322.88x = 95,666.69 × 39,108.78
  4. Step 4: Simplify right side
    69,322.88x = 3,741,407,336.99
  5. Step 5: Solve for x
    x = 3,741,407,336.99/69,322.88
  6. Step 6: Final answer
    x = 53,970.75

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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.