Home / 61,715.82-85,167.38-34,863.58

Finding the Fourth Proportional to 61,715.82, 85,167.38 and 34,863.58

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Solution

The fourth proportional to 61,715.82, 85,167.38 and 34,863.58 is: 48,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,715.82 : 85,167.38 = 34,863.58 : x
  2. Step 2: Convert to fraction form
    61,715.82/85,167.38 = 34,863.58/x
  3. Step 3: Cross multiply
    61,715.82x = 85,167.38 × 34,863.58
  4. Step 4: Simplify right side
    61,715.82x = 2,969,239,959.64
  5. Step 5: Solve for x
    x = 2,969,239,959.64/61,715.82
  6. Step 6: Final answer
    x = 48,111.49

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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.