Home / 90,596.88-125,019.50-50,313.21

Finding the Fourth Proportional to 90,596.88, 125,019.50 and 50,313.21

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Solution

The fourth proportional to 90,596.88, 125,019.50 and 50,313.21 is: 69,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,596.88 : 125,019.50 = 50,313.21 : x
  2. Step 2: Convert to fraction form
    90,596.88/125,019.50 = 50,313.21/x
  3. Step 3: Cross multiply
    90,596.88x = 125,019.50 × 50,313.21
  4. Step 4: Simplify right side
    90,596.88x = 6,290,132,106.03
  5. Step 5: Solve for x
    x = 6,290,132,106.03/90,596.88
  6. Step 6: Final answer
    x = 69,429.90

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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.