Home / 77,935.24-116,874.15-28,001.98

Finding the Fourth Proportional to 77,935.24, 116,874.15 and 28,001.98

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Solution

The fourth proportional to 77,935.24, 116,874.15 and 28,001.98 is: 41,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,935.24 : 116,874.15 = 28,001.98 : x
  2. Step 2: Convert to fraction form
    77,935.24/116,874.15 = 28,001.98/x
  3. Step 3: Cross multiply
    77,935.24x = 116,874.15 × 28,001.98
  4. Step 4: Simplify right side
    77,935.24x = 3,272,707,610.82
  5. Step 5: Solve for x
    x = 3,272,707,610.82/77,935.24
  6. Step 6: Final answer
    x = 41,992.65

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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.