Home / 68,802.39-94,947.45-40,141.74

Finding the Fourth Proportional to 68,802.39, 94,947.45 and 40,141.74

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Solution

The fourth proportional to 68,802.39, 94,947.45 and 40,141.74 is: 55,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,802.39 : 94,947.45 = 40,141.74 : x
  2. Step 2: Convert to fraction form
    68,802.39/94,947.45 = 40,141.74/x
  3. Step 3: Cross multiply
    68,802.39x = 94,947.45 × 40,141.74
  4. Step 4: Simplify right side
    68,802.39x = 3,811,355,851.56
  5. Step 5: Solve for x
    x = 3,811,355,851.56/68,802.39
  6. Step 6: Final answer
    x = 55,395.69

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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.