Home / 77,849.17-116,755.83-30,465.38

Finding the Fourth Proportional to 77,849.17, 116,755.83 and 30,465.38

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Solution

The fourth proportional to 77,849.17, 116,755.83 and 30,465.38 is: 45,691.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,849.17 : 116,755.83 = 30,465.38 : x
  2. Step 2: Convert to fraction form
    77,849.17/116,755.83 = 30,465.38/x
  3. Step 3: Cross multiply
    77,849.17x = 116,755.83 × 30,465.38
  4. Step 4: Simplify right side
    77,849.17x = 3,557,011,204.08
  5. Step 5: Solve for x
    x = 3,557,011,204.08/77,849.17
  6. Step 6: Final answer
    x = 45,691.06

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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.