Home / 78,273.07-108,016.94-42,463.17

Finding the Fourth Proportional to 78,273.07, 108,016.94 and 42,463.17

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Solution

The fourth proportional to 78,273.07, 108,016.94 and 42,463.17 is: 58,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,273.07 : 108,016.94 = 42,463.17 : x
  2. Step 2: Convert to fraction form
    78,273.07/108,016.94 = 42,463.17/x
  3. Step 3: Cross multiply
    78,273.07x = 108,016.94 × 42,463.17
  4. Step 4: Simplify right side
    78,273.07x = 4,586,741,792.26
  5. Step 5: Solve for x
    x = 4,586,741,792.26/78,273.07
  6. Step 6: Final answer
    x = 58,599.23

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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.