Home / 74,898.32-103,362.75-43,067.21

Finding the Fourth Proportional to 74,898.32, 103,362.75 and 43,067.21

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Solution

The fourth proportional to 74,898.32, 103,362.75 and 43,067.21 is: 59,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,898.32 : 103,362.75 = 43,067.21 : x
  2. Step 2: Convert to fraction form
    74,898.32/103,362.75 = 43,067.21/x
  3. Step 3: Cross multiply
    74,898.32x = 103,362.75 × 43,067.21
  4. Step 4: Simplify right side
    74,898.32x = 4,451,545,851.94
  5. Step 5: Solve for x
    x = 4,451,545,851.94/74,898.32
  6. Step 6: Final answer
    x = 59,434.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.