Home / 78,829.84-108,787.48-43,022.14

Finding the Fourth Proportional to 78,829.84, 108,787.48 and 43,022.14

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Solution

The fourth proportional to 78,829.84, 108,787.48 and 43,022.14 is: 59,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,829.84 : 108,787.48 = 43,022.14 : x
  2. Step 2: Convert to fraction form
    78,829.84/108,787.48 = 43,022.14/x
  3. Step 3: Cross multiply
    78,829.84x = 108,787.48 × 43,022.14
  4. Step 4: Simplify right side
    78,829.84x = 4,680,270,194.81
  5. Step 5: Solve for x
    x = 4,680,270,194.81/78,829.84
  6. Step 6: Final answer
    x = 59,371.81

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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.