Home / 78,933.67-108,928.06-43,125.73

Finding the Fourth Proportional to 78,933.67, 108,928.06 and 43,125.73

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Solution

The fourth proportional to 78,933.67, 108,928.06 and 43,125.73 is: 59,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,933.67 : 108,928.06 = 43,125.73 : x
  2. Step 2: Convert to fraction form
    78,933.67/108,928.06 = 43,125.73/x
  3. Step 3: Cross multiply
    78,933.67x = 108,928.06 × 43,125.73
  4. Step 4: Simplify right side
    78,933.67x = 4,697,602,104.98
  5. Step 5: Solve for x
    x = 4,697,602,104.98/78,933.67
  6. Step 6: Final answer
    x = 59,513.29

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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.