Home / 90,723.14-125,190.84-50,434.45

Finding the Fourth Proportional to 90,723.14, 125,190.84 and 50,434.45

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Solution

The fourth proportional to 90,723.14, 125,190.84 and 50,434.45 is: 69,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,723.14 : 125,190.84 = 50,434.45 : x
  2. Step 2: Convert to fraction form
    90,723.14/125,190.84 = 50,434.45/x
  3. Step 3: Cross multiply
    90,723.14x = 125,190.84 × 50,434.45
  4. Step 4: Simplify right side
    90,723.14x = 6,313,930,847.46
  5. Step 5: Solve for x
    x = 6,313,930,847.46/90,723.14
  6. Step 6: Final answer
    x = 69,595.60

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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.