Home / 69,090.71-95,330.86-40,404.79

Finding the Fourth Proportional to 69,090.71, 95,330.86 and 40,404.79

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Solution

The fourth proportional to 69,090.71, 95,330.86 and 40,404.79 is: 55,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,090.71 : 95,330.86 = 40,404.79 : x
  2. Step 2: Convert to fraction form
    69,090.71/95,330.86 = 40,404.79/x
  3. Step 3: Cross multiply
    69,090.71x = 95,330.86 × 40,404.79
  4. Step 4: Simplify right side
    69,090.71x = 3,851,823,396.97
  5. Step 5: Solve for x
    x = 3,851,823,396.97/69,090.71
  6. Step 6: Final answer
    x = 55,750.24

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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.