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Finding the Fourth Proportional to 61,522.66, 84,901.52 and 34,665.58

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Solution

The fourth proportional to 61,522.66, 84,901.52 and 34,665.58 is: 47,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,522.66 : 84,901.52 = 34,665.58 : x
  2. Step 2: Convert to fraction form
    61,522.66/84,901.52 = 34,665.58/x
  3. Step 3: Cross multiply
    61,522.66x = 84,901.52 × 34,665.58
  4. Step 4: Simplify right side
    61,522.66x = 2,943,159,835.85
  5. Step 5: Solve for x
    x = 2,943,159,835.85/61,522.66
  6. Step 6: Final answer
    x = 47,838.63

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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.