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Finding the Fourth Proportional to 61,663.25, 85,095.36 and 33,368.94

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Solution

The fourth proportional to 61,663.25, 85,095.36 and 33,368.94 is: 46,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.25 : 85,095.36 = 33,368.94 : x
  2. Step 2: Convert to fraction form
    61,663.25/85,095.36 = 33,368.94/x
  3. Step 3: Cross multiply
    61,663.25x = 85,095.36 × 33,368.94
  4. Step 4: Simplify right side
    61,663.25x = 2,839,541,962.12
  5. Step 5: Solve for x
    x = 2,839,541,962.12/61,663.25
  6. Step 6: Final answer
    x = 46,049.18

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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.