Home / 61,038.30-91,446.72-45,067.39

Finding the Fourth Proportional to 61,038.30, 91,446.72 and 45,067.39

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Solution

The fourth proportional to 61,038.30, 91,446.72 and 45,067.39 is: 67,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,038.30 : 91,446.72 = 45,067.39 : x
  2. Step 2: Convert to fraction form
    61,038.30/91,446.72 = 45,067.39/x
  3. Step 3: Cross multiply
    61,038.30x = 91,446.72 × 45,067.39
  4. Step 4: Simplify right side
    61,038.30x = 4,121,265,236.14
  5. Step 5: Solve for x
    x = 4,121,265,236.14/61,038.30
  6. Step 6: Final answer
    x = 67,519.33

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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.