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Finding the Fourth Proportional to 60,998.44, 91,637.84 and 43,273.11

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Solution

The fourth proportional to 60,998.44, 91,637.84 and 43,273.11 is: 65,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,998.44 : 91,637.84 = 43,273.11 : x
  2. Step 2: Convert to fraction form
    60,998.44/91,637.84 = 43,273.11/x
  3. Step 3: Cross multiply
    60,998.44x = 91,637.84 × 43,273.11
  4. Step 4: Simplify right side
    60,998.44x = 3,965,454,330.48
  5. Step 5: Solve for x
    x = 3,965,454,330.48/60,998.44
  6. Step 6: Final answer
    x = 65,009.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.