Home / 91,964.54-126,909.94-51,685.11

Finding the Fourth Proportional to 91,964.54, 126,909.94 and 51,685.11

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Solution

The fourth proportional to 91,964.54, 126,909.94 and 51,685.11 is: 71,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,964.54 : 126,909.94 = 51,685.11 : x
  2. Step 2: Convert to fraction form
    91,964.54/126,909.94 = 51,685.11/x
  3. Step 3: Cross multiply
    91,964.54x = 126,909.94 × 51,685.11
  4. Step 4: Simplify right side
    91,964.54x = 6,559,354,533.62
  5. Step 5: Solve for x
    x = 6,559,354,533.62/91,964.54
  6. Step 6: Final answer
    x = 71,324.82

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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.