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Finding the Fourth Proportional to 61,651.95, 92,477.92 and 26,118.87

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Solution

The fourth proportional to 61,651.95, 92,477.92 and 26,118.87 is: 39,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,651.95 : 92,477.92 = 26,118.87 : x
  2. Step 2: Convert to fraction form
    61,651.95/92,477.92 = 26,118.87/x
  3. Step 3: Cross multiply
    61,651.95x = 92,477.92 × 26,118.87
  4. Step 4: Simplify right side
    61,651.95x = 2,415,418,770.35
  5. Step 5: Solve for x
    x = 2,415,418,770.35/61,651.95
  6. Step 6: Final answer
    x = 39,178.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.