Home / 103,912.04-143,398.68-61,473.44

Finding the Fourth Proportional to 103,912.04, 143,398.68 and 61,473.44

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Solution

The fourth proportional to 103,912.04, 143,398.68 and 61,473.44 is: 84,833.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,912.04 : 143,398.68 = 61,473.44 : x
  2. Step 2: Convert to fraction form
    103,912.04/143,398.68 = 61,473.44/x
  3. Step 3: Cross multiply
    103,912.04x = 143,398.68 × 61,473.44
  4. Step 4: Simplify right side
    103,912.04x = 8,815,210,151.06
  5. Step 5: Solve for x
    x = 8,815,210,151.06/103,912.04
  6. Step 6: Final answer
    x = 84,833.39

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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.