Home / 92,912.24-128,216.72-50,469.84

Finding the Fourth Proportional to 92,912.24, 128,216.72 and 50,469.84

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Solution

The fourth proportional to 92,912.24, 128,216.72 and 50,469.84 is: 69,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,912.24 : 128,216.72 = 50,469.84 : x
  2. Step 2: Convert to fraction form
    92,912.24/128,216.72 = 50,469.84/x
  3. Step 3: Cross multiply
    92,912.24x = 128,216.72 × 50,469.84
  4. Step 4: Simplify right side
    92,912.24x = 6,471,077,343.72
  5. Step 5: Solve for x
    x = 6,471,077,343.72/92,912.24
  6. Step 6: Final answer
    x = 69,647.20

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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.