Home / 84,868.59-117,105.62-49,051.68

Finding the Fourth Proportional to 84,868.59, 117,105.62 and 49,051.68

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Solution

The fourth proportional to 84,868.59, 117,105.62 and 49,051.68 is: 67,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,868.59 : 117,105.62 = 49,051.68 : x
  2. Step 2: Convert to fraction form
    84,868.59/117,105.62 = 49,051.68/x
  3. Step 3: Cross multiply
    84,868.59x = 117,105.62 × 49,051.68
  4. Step 4: Simplify right side
    84,868.59x = 5,744,226,714.04
  5. Step 5: Solve for x
    x = 5,744,226,714.04/84,868.59
  6. Step 6: Final answer
    x = 67,683.77

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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.