Home / 81,619.96-112,606.60-53,342.04

Finding the Fourth Proportional to 81,619.96, 112,606.60 and 53,342.04

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Solution

The fourth proportional to 81,619.96, 112,606.60 and 53,342.04 is: 73,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,619.96 : 112,606.60 = 53,342.04 : x
  2. Step 2: Convert to fraction form
    81,619.96/112,606.60 = 53,342.04/x
  3. Step 3: Cross multiply
    81,619.96x = 112,606.60 × 53,342.04
  4. Step 4: Simplify right side
    81,619.96x = 6,006,665,761.46
  5. Step 5: Solve for x
    x = 6,006,665,761.46/81,619.96
  6. Step 6: Final answer
    x = 73,593.10

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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.