Home / 91,919.88-126,829.76-53,662.05

Finding the Fourth Proportional to 91,919.88, 126,829.76 and 53,662.05

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Solution

The fourth proportional to 91,919.88, 126,829.76 and 53,662.05 is: 74,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,919.88 : 126,829.76 = 53,662.05 : x
  2. Step 2: Convert to fraction form
    91,919.88/126,829.76 = 53,662.05/x
  3. Step 3: Cross multiply
    91,919.88x = 126,829.76 × 53,662.05
  4. Step 4: Simplify right side
    91,919.88x = 6,805,944,654.30
  5. Step 5: Solve for x
    x = 6,805,944,654.30/91,919.88
  6. Step 6: Final answer
    x = 74,042.14

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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.