Home / 61,766.67-85,247.13-39,107.76

Finding the Fourth Proportional to 61,766.67, 85,247.13 and 39,107.76

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Solution

The fourth proportional to 61,766.67, 85,247.13 and 39,107.76 is: 53,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,766.67 : 85,247.13 = 39,107.76 : x
  2. Step 2: Convert to fraction form
    61,766.67/85,247.13 = 39,107.76/x
  3. Step 3: Cross multiply
    61,766.67x = 85,247.13 × 39,107.76
  4. Step 4: Simplify right side
    61,766.67x = 3,333,824,607.22
  5. Step 5: Solve for x
    x = 3,333,824,607.22/61,766.67
  6. Step 6: Final answer
    x = 53,974.49

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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.