Home / 90,608.72-125,035.84-50,325.12

Finding the Fourth Proportional to 90,608.72, 125,035.84 and 50,325.12

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Solution

The fourth proportional to 90,608.72, 125,035.84 and 50,325.12 is: 69,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,608.72 : 125,035.84 = 50,325.12 : x
  2. Step 2: Convert to fraction form
    90,608.72/125,035.84 = 50,325.12/x
  3. Step 3: Cross multiply
    90,608.72x = 125,035.84 × 50,325.12
  4. Step 4: Simplify right side
    90,608.72x = 6,292,443,652.30
  5. Step 5: Solve for x
    x = 6,292,443,652.30/90,608.72
  6. Step 6: Final answer
    x = 69,446.34

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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.