Home / 90,806.04-125,313.78-50,520.27

Finding the Fourth Proportional to 90,806.04, 125,313.78 and 50,520.27

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Solution

The fourth proportional to 90,806.04, 125,313.78 and 50,520.27 is: 69,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,806.04 : 125,313.78 = 50,520.27 : x
  2. Step 2: Convert to fraction form
    90,806.04/125,313.78 = 50,520.27/x
  3. Step 3: Cross multiply
    90,806.04x = 125,313.78 × 50,520.27
  4. Step 4: Simplify right side
    90,806.04x = 6,330,886,000.32
  5. Step 5: Solve for x
    x = 6,330,886,000.32/90,806.04
  6. Step 6: Final answer
    x = 69,718.78

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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.