Home / 90,923.31-125,469.41-50,636.34

Finding the Fourth Proportional to 90,923.31, 125,469.41 and 50,636.34

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Solution

The fourth proportional to 90,923.31, 125,469.41 and 50,636.34 is: 69,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,923.31 : 125,469.41 = 50,636.34 : x
  2. Step 2: Convert to fraction form
    90,923.31/125,469.41 = 50,636.34/x
  3. Step 3: Cross multiply
    90,923.31x = 125,469.41 × 50,636.34
  4. Step 4: Simplify right side
    90,923.31x = 6,353,311,451.18
  5. Step 5: Solve for x
    x = 6,353,311,451.18/90,923.31
  6. Step 6: Final answer
    x = 69,875.50

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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.