Home / 86,922.44-119,948.82-53,381.96

Finding the Fourth Proportional to 86,922.44, 119,948.82 and 53,381.96

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Solution

The fourth proportional to 86,922.44, 119,948.82 and 53,381.96 is: 73,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922.44 : 119,948.82 = 53,381.96 : x
  2. Step 2: Convert to fraction form
    86,922.44/119,948.82 = 53,381.96/x
  3. Step 3: Cross multiply
    86,922.44x = 119,948.82 × 53,381.96
  4. Step 4: Simplify right side
    86,922.44x = 6,403,103,111.29
  5. Step 5: Solve for x
    x = 6,403,103,111.29/86,922.44
  6. Step 6: Final answer
    x = 73,664.56

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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.