Home / 61,083.36-84,289.28-41,979.92

Finding the Fourth Proportional to 61,083.36, 84,289.28 and 41,979.92

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Solution

The fourth proportional to 61,083.36, 84,289.28 and 41,979.92 is: 57,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,083.36 : 84,289.28 = 41,979.92 : x
  2. Step 2: Convert to fraction form
    61,083.36/84,289.28 = 41,979.92/x
  3. Step 3: Cross multiply
    61,083.36x = 84,289.28 × 41,979.92
  4. Step 4: Simplify right side
    61,083.36x = 3,538,456,599.91
  5. Step 5: Solve for x
    x = 3,538,456,599.91/61,083.36
  6. Step 6: Final answer
    x = 57,928.32

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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.