Home / 96,379.04-144,654.96-80,682.32

Finding the Fourth Proportional to 96,379.04, 144,654.96 and 80,682.32

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Solution

The fourth proportional to 96,379.04, 144,654.96 and 80,682.32 is: 121,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,379.04 : 144,654.96 = 80,682.32 : x
  2. Step 2: Convert to fraction form
    96,379.04/144,654.96 = 80,682.32/x
  3. Step 3: Cross multiply
    96,379.04x = 144,654.96 × 80,682.32
  4. Step 4: Simplify right side
    96,379.04x = 11,671,097,772.31
  5. Step 5: Solve for x
    x = 11,671,097,772.31/96,379.04
  6. Step 6: Final answer
    x = 121,095.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.