Home / 91,380.36-126,107.64-50,545.02

Finding the Fourth Proportional to 91,380.36, 126,107.64 and 50,545.02

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Solution

The fourth proportional to 91,380.36, 126,107.64 and 50,545.02 is: 69,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,380.36 : 126,107.64 = 50,545.02 : x
  2. Step 2: Convert to fraction form
    91,380.36/126,107.64 = 50,545.02/x
  3. Step 3: Cross multiply
    91,380.36x = 126,107.64 × 50,545.02
  4. Step 4: Simplify right side
    91,380.36x = 6,374,113,185.95
  5. Step 5: Solve for x
    x = 6,374,113,185.95/91,380.36
  6. Step 6: Final answer
    x = 69,753.64

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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.