Home / 76,660.21-105,806.82-44,836.93

Finding the Fourth Proportional to 76,660.21, 105,806.82 and 44,836.93

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Solution

The fourth proportional to 76,660.21, 105,806.82 and 44,836.93 is: 61,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,660.21 : 105,806.82 = 44,836.93 : x
  2. Step 2: Convert to fraction form
    76,660.21/105,806.82 = 44,836.93/x
  3. Step 3: Cross multiply
    76,660.21x = 105,806.82 × 44,836.93
  4. Step 4: Simplify right side
    76,660.21x = 4,744,052,981.86
  5. Step 5: Solve for x
    x = 4,744,052,981.86/76,660.21
  6. Step 6: Final answer
    x = 61,884.16

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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.