Home / 91,181.11-125,844.52-53,455.36

Finding the Fourth Proportional to 91,181.11, 125,844.52 and 53,455.36

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Solution

The fourth proportional to 91,181.11, 125,844.52 and 53,455.36 is: 73,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,181.11 : 125,844.52 = 53,455.36 : x
  2. Step 2: Convert to fraction form
    91,181.11/125,844.52 = 53,455.36/x
  3. Step 3: Cross multiply
    91,181.11x = 125,844.52 × 53,455.36
  4. Step 4: Simplify right side
    91,181.11x = 6,727,064,008.56
  5. Step 5: Solve for x
    x = 6,727,064,008.56/91,181.11
  6. Step 6: Final answer
    x = 73,776.95

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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.