Home / 69,619.50-96,073.56-39,410.55

Finding the Fourth Proportional to 69,619.50, 96,073.56 and 39,410.55

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Solution

The fourth proportional to 69,619.50, 96,073.56 and 39,410.55 is: 54,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,619.50 : 96,073.56 = 39,410.55 : x
  2. Step 2: Convert to fraction form
    69,619.50/96,073.56 = 39,410.55/x
  3. Step 3: Cross multiply
    69,619.50x = 96,073.56 × 39,410.55
  4. Step 4: Simplify right side
    69,619.50x = 3,786,311,840.06
  5. Step 5: Solve for x
    x = 3,786,311,840.06/69,619.50
  6. Step 6: Final answer
    x = 54,385.79

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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.