Home / 76,279.26-114,390.81-26,346.54

Finding the Fourth Proportional to 76,279.26, 114,390.81 and 26,346.54

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Solution

The fourth proportional to 76,279.26, 114,390.81 and 26,346.54 is: 39,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,279.26 : 114,390.81 = 26,346.54 : x
  2. Step 2: Convert to fraction form
    76,279.26/114,390.81 = 26,346.54/x
  3. Step 3: Cross multiply
    76,279.26x = 114,390.81 × 26,346.54
  4. Step 4: Simplify right side
    76,279.26x = 3,013,802,051.30
  5. Step 5: Solve for x
    x = 3,013,802,051.30/76,279.26
  6. Step 6: Final answer
    x = 39,510.11

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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.