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Finding the Fourth Proportional to 61,596.54, 92,471.34 and 42,994.88

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Solution

The fourth proportional to 61,596.54, 92,471.34 and 42,994.88 is: 64,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,596.54 : 92,471.34 = 42,994.88 : x
  2. Step 2: Convert to fraction form
    61,596.54/92,471.34 = 42,994.88/x
  3. Step 3: Cross multiply
    61,596.54x = 92,471.34 × 42,994.88
  4. Step 4: Simplify right side
    61,596.54x = 3,975,794,166.74
  5. Step 5: Solve for x
    x = 3,975,794,166.74/61,596.54
  6. Step 6: Final answer
    x = 64,545.74

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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.