Home / 65,739.92-90,762.66-50,604.12

Finding the Fourth Proportional to 65,739.92, 90,762.66 and 50,604.12

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Solution

The fourth proportional to 65,739.92, 90,762.66 and 50,604.12 is: 69,865.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739.92 : 90,762.66 = 50,604.12 : x
  2. Step 2: Convert to fraction form
    65,739.92/90,762.66 = 50,604.12/x
  3. Step 3: Cross multiply
    65,739.92x = 90,762.66 × 50,604.12
  4. Step 4: Simplify right side
    65,739.92x = 4,592,964,538.16
  5. Step 5: Solve for x
    x = 4,592,964,538.16/65,739.92
  6. Step 6: Final answer
    x = 69,865.69

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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.