Home / 91,961.42-126,902.67-53,724.51

Finding the Fourth Proportional to 91,961.42, 126,902.67 and 53,724.51

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Solution

The fourth proportional to 91,961.42, 126,902.67 and 53,724.51 is: 74,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,961.42 : 126,902.67 = 53,724.51 : x
  2. Step 2: Convert to fraction form
    91,961.42/126,902.67 = 53,724.51/x
  3. Step 3: Cross multiply
    91,961.42x = 126,902.67 × 53,724.51
  4. Step 4: Simplify right side
    91,961.42x = 6,817,783,763.44
  5. Step 5: Solve for x
    x = 6,817,783,763.44/91,961.42
  6. Step 6: Final answer
    x = 74,137.44

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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.