Home / 61,111.70-84,346.00-39,854.06

Finding the Fourth Proportional to 61,111.70, 84,346.00 and 39,854.06

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Solution

The fourth proportional to 61,111.70, 84,346.00 and 39,854.06 is: 55,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,111.70 : 84,346.00 = 39,854.06 : x
  2. Step 2: Convert to fraction form
    61,111.70/84,346.00 = 39,854.06/x
  3. Step 3: Cross multiply
    61,111.70x = 84,346.00 × 39,854.06
  4. Step 4: Simplify right side
    61,111.70x = 3,361,530,023.39
  5. Step 5: Solve for x
    x = 3,361,530,023.39/61,111.70
  6. Step 6: Final answer
    x = 55,006.33

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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.