Home / 92,936.28-128,248.20-50,493.72

Finding the Fourth Proportional to 92,936.28, 128,248.20 and 50,493.72

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Solution

The fourth proportional to 92,936.28, 128,248.20 and 50,493.72 is: 69,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,936.28 : 128,248.20 = 50,493.72 : x
  2. Step 2: Convert to fraction form
    92,936.28/128,248.20 = 50,493.72/x
  3. Step 3: Cross multiply
    92,936.28x = 128,248.20 × 50,493.72
  4. Step 4: Simplify right side
    92,936.28x = 6,475,728,701.30
  5. Step 5: Solve for x
    x = 6,475,728,701.30/92,936.28
  6. Step 6: Final answer
    x = 69,679.23

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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.