Home / 90,632.90-125,073.34-50,350.42

Finding the Fourth Proportional to 90,632.90, 125,073.34 and 50,350.42

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Solution

The fourth proportional to 90,632.90, 125,073.34 and 50,350.42 is: 69,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,632.90 : 125,073.34 = 50,350.42 : x
  2. Step 2: Convert to fraction form
    90,632.90/125,073.34 = 50,350.42/x
  3. Step 3: Cross multiply
    90,632.90x = 125,073.34 × 50,350.42
  4. Step 4: Simplify right side
    90,632.90x = 6,297,494,761.24
  5. Step 5: Solve for x
    x = 6,297,494,761.24/90,632.90
  6. Step 6: Final answer
    x = 69,483.54

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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.