Home / 90,864.23-125,396.33-50,575.43

Finding the Fourth Proportional to 90,864.23, 125,396.33 and 50,575.43

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Solution

The fourth proportional to 90,864.23, 125,396.33 and 50,575.43 is: 69,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,864.23 : 125,396.33 = 50,575.43 : x
  2. Step 2: Convert to fraction form
    90,864.23/125,396.33 = 50,575.43/x
  3. Step 3: Cross multiply
    90,864.23x = 125,396.33 × 50,575.43
  4. Step 4: Simplify right side
    90,864.23x = 6,341,973,370.79
  5. Step 5: Solve for x
    x = 6,341,973,370.79/90,864.23
  6. Step 6: Final answer
    x = 69,796.15

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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.