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Finding the Fourth Proportional to 61,107.72, 84,320.10 and 34,248.12

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Solution

The fourth proportional to 61,107.72, 84,320.10 and 34,248.12 is: 47,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,107.72 : 84,320.10 = 34,248.12 : x
  2. Step 2: Convert to fraction form
    61,107.72/84,320.10 = 34,248.12/x
  3. Step 3: Cross multiply
    61,107.72x = 84,320.10 × 34,248.12
  4. Step 4: Simplify right side
    61,107.72x = 2,887,804,903.21
  5. Step 5: Solve for x
    x = 2,887,804,903.21/61,107.72
  6. Step 6: Final answer
    x = 47,257.61

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