Home / 104,935.28-144,806.46-57,187.60

Finding the Fourth Proportional to 104,935.28, 144,806.46 and 57,187.60

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Solution

The fourth proportional to 104,935.28, 144,806.46 and 57,187.60 is: 78,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,935.28 : 144,806.46 = 57,187.60 : x
  2. Step 2: Convert to fraction form
    104,935.28/144,806.46 = 57,187.60/x
  3. Step 3: Cross multiply
    104,935.28x = 144,806.46 × 57,187.60
  4. Step 4: Simplify right side
    104,935.28x = 8,281,133,187.86
  5. Step 5: Solve for x
    x = 8,281,133,187.86/104,935.28
  6. Step 6: Final answer
    x = 78,916.58

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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.