Home / 78,944.07-108,942.65-43,134.34

Finding the Fourth Proportional to 78,944.07, 108,942.65 and 43,134.34

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Solution

The fourth proportional to 78,944.07, 108,942.65 and 43,134.34 is: 59,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,944.07 : 108,942.65 = 43,134.34 : x
  2. Step 2: Convert to fraction form
    78,944.07/108,942.65 = 43,134.34/x
  3. Step 3: Cross multiply
    78,944.07x = 108,942.65 × 43,134.34
  4. Step 4: Simplify right side
    78,944.07x = 4,699,169,305.60
  5. Step 5: Solve for x
    x = 4,699,169,305.60/78,944.07
  6. Step 6: Final answer
    x = 59,525.30

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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.