Home / 75,905.56-104,652.16-62,243.43

Finding the Fourth Proportional to 75,905.56, 104,652.16 and 62,243.43

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Solution

The fourth proportional to 75,905.56, 104,652.16 and 62,243.43 is: 85,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,905.56 : 104,652.16 = 62,243.43 : x
  2. Step 2: Convert to fraction form
    75,905.56/104,652.16 = 62,243.43/x
  3. Step 3: Cross multiply
    75,905.56x = 104,652.16 × 62,243.43
  4. Step 4: Simplify right side
    75,905.56x = 6,513,909,395.31
  5. Step 5: Solve for x
    x = 6,513,909,395.31/75,905.56
  6. Step 6: Final answer
    x = 85,815.97

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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.