Home / 93,111.21-128,496.15-50,672.43

Finding the Fourth Proportional to 93,111.21, 128,496.15 and 50,672.43

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Solution

The fourth proportional to 93,111.21, 128,496.15 and 50,672.43 is: 69,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,111.21 : 128,496.15 = 50,672.43 : x
  2. Step 2: Convert to fraction form
    93,111.21/128,496.15 = 50,672.43/x
  3. Step 3: Cross multiply
    93,111.21x = 128,496.15 × 50,672.43
  4. Step 4: Simplify right side
    93,111.21x = 6,511,212,166.14
  5. Step 5: Solve for x
    x = 6,511,212,166.14/93,111.21
  6. Step 6: Final answer
    x = 69,929.41

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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.