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Finding the Fourth Proportional to 76,601.34, 105,675.30 and 44,755.92

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Solution

The fourth proportional to 76,601.34, 105,675.30 and 44,755.92 is: 61,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,601.34 : 105,675.30 = 44,755.92 : x
  2. Step 2: Convert to fraction form
    76,601.34/105,675.30 = 44,755.92/x
  3. Step 3: Cross multiply
    76,601.34x = 105,675.30 × 44,755.92
  4. Step 4: Simplify right side
    76,601.34x = 4,729,595,272.78
  5. Step 5: Solve for x
    x = 4,729,595,272.78/76,601.34
  6. Step 6: Final answer
    x = 61,742.98

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1.5x scale

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.