Home / 77,263.38-115,897.89-27,348.75

Finding the Fourth Proportional to 77,263.38, 115,897.89 and 27,348.75

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Solution

The fourth proportional to 77,263.38, 115,897.89 and 27,348.75 is: 41,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,263.38 : 115,897.89 = 27,348.75 : x
  2. Step 2: Convert to fraction form
    77,263.38/115,897.89 = 27,348.75/x
  3. Step 3: Cross multiply
    77,263.38x = 115,897.89 × 27,348.75
  4. Step 4: Simplify right side
    77,263.38x = 3,169,662,419.14
  5. Step 5: Solve for x
    x = 3,169,662,419.14/77,263.38
  6. Step 6: Final answer
    x = 41,024.12

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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.