Home / 78,744.97-118,185.69-41,331.46

Finding the Fourth Proportional to 78,744.97, 118,185.69 and 41,331.46

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Solution

The fourth proportional to 78,744.97, 118,185.69 and 41,331.46 is: 62,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,744.97 : 118,185.69 = 41,331.46 : x
  2. Step 2: Convert to fraction form
    78,744.97/118,185.69 = 41,331.46/x
  3. Step 3: Cross multiply
    78,744.97x = 118,185.69 × 41,331.46
  4. Step 4: Simplify right side
    78,744.97x = 4,884,787,118.81
  5. Step 5: Solve for x
    x = 4,884,787,118.81/78,744.97
  6. Step 6: Final answer
    x = 62,033.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.