Home / 61,645.09-85,074.72-34,789.94

Finding the Fourth Proportional to 61,645.09, 85,074.72 and 34,789.94

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Solution

The fourth proportional to 61,645.09, 85,074.72 and 34,789.94 is: 48,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,645.09 : 85,074.72 = 34,789.94 : x
  2. Step 2: Convert to fraction form
    61,645.09/85,074.72 = 34,789.94/x
  3. Step 3: Cross multiply
    61,645.09x = 85,074.72 × 34,789.94
  4. Step 4: Simplify right side
    61,645.09x = 2,959,744,486.54
  5. Step 5: Solve for x
    x = 2,959,744,486.54/61,645.09
  6. Step 6: Final answer
    x = 48,012.66

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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.