Home / 93,768.22-129,388.78-74,696.58

Finding the Fourth Proportional to 93,768.22, 129,388.78 and 74,696.58

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Solution

The fourth proportional to 93,768.22, 129,388.78 and 74,696.58 is: 103,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,768.22 : 129,388.78 = 74,696.58 : x
  2. Step 2: Convert to fraction form
    93,768.22/129,388.78 = 74,696.58/x
  3. Step 3: Cross multiply
    93,768.22x = 129,388.78 × 74,696.58
  4. Step 4: Simplify right side
    93,768.22x = 9,664,899,356.37
  5. Step 5: Solve for x
    x = 9,664,899,356.37/93,768.22
  6. Step 6: Final answer
    x = 103,072.23

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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.