Home / 85,776.84-118,371.96-48,051.36

Finding the Fourth Proportional to 85,776.84, 118,371.96 and 48,051.36

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Solution

The fourth proportional to 85,776.84, 118,371.96 and 48,051.36 is: 66,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,776.84 : 118,371.96 = 48,051.36 : x
  2. Step 2: Convert to fraction form
    85,776.84/118,371.96 = 48,051.36/x
  3. Step 3: Cross multiply
    85,776.84x = 118,371.96 × 48,051.36
  4. Step 4: Simplify right side
    85,776.84x = 5,687,933,663.87
  5. Step 5: Solve for x
    x = 5,687,933,663.87/85,776.84
  6. Step 6: Final answer
    x = 66,310.83

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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.