Home / 90,622.89-125,059.41-50,342.67

Finding the Fourth Proportional to 90,622.89, 125,059.41 and 50,342.67

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Solution

The fourth proportional to 90,622.89, 125,059.41 and 50,342.67 is: 69,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,622.89 : 125,059.41 = 50,342.67 : x
  2. Step 2: Convert to fraction form
    90,622.89/125,059.41 = 50,342.67/x
  3. Step 3: Cross multiply
    90,622.89x = 125,059.41 × 50,342.67
  4. Step 4: Simplify right side
    90,622.89x = 6,295,824,608.02
  5. Step 5: Solve for x
    x = 6,295,824,608.02/90,622.89
  6. Step 6: Final answer
    x = 69,472.79

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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.