Home / 93,111.41-128,489.94-50,669.97

Finding the Fourth Proportional to 93,111.41, 128,489.94 and 50,669.97

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Solution

The fourth proportional to 93,111.41, 128,489.94 and 50,669.97 is: 69,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,111.41 : 128,489.94 = 50,669.97 : x
  2. Step 2: Convert to fraction form
    93,111.41/128,489.94 = 50,669.97/x
  3. Step 3: Cross multiply
    93,111.41x = 128,489.94 × 50,669.97
  4. Step 4: Simplify right side
    93,111.41x = 6,510,581,405.10
  5. Step 5: Solve for x
    x = 6,510,581,405.10/93,111.41
  6. Step 6: Final answer
    x = 69,922.49

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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.