Home / 77,934.63-116,873.20-28,001.32

Finding the Fourth Proportional to 77,934.63, 116,873.20 and 28,001.32

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Solution

The fourth proportional to 77,934.63, 116,873.20 and 28,001.32 is: 41,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,934.63 : 116,873.20 = 28,001.32 : x
  2. Step 2: Convert to fraction form
    77,934.63/116,873.20 = 28,001.32/x
  3. Step 3: Cross multiply
    77,934.63x = 116,873.20 × 28,001.32
  4. Step 4: Simplify right side
    77,934.63x = 3,272,603,872.62
  5. Step 5: Solve for x
    x = 3,272,603,872.62/77,934.63
  6. Step 6: Final answer
    x = 41,991.65

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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.