Home / 90,839.23-125,358.96-50,554.69

Finding the Fourth Proportional to 90,839.23, 125,358.96 and 50,554.69

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Solution

The fourth proportional to 90,839.23, 125,358.96 and 50,554.69 is: 69,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,839.23 : 125,358.96 = 50,554.69 : x
  2. Step 2: Convert to fraction form
    90,839.23/125,358.96 = 50,554.69/x
  3. Step 3: Cross multiply
    90,839.23x = 125,358.96 × 50,554.69
  4. Step 4: Simplify right side
    90,839.23x = 6,337,483,361.52
  5. Step 5: Solve for x
    x = 6,337,483,361.52/90,839.23
  6. Step 6: Final answer
    x = 69,765.93

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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.