Home / 77,212.44-115,836.66-29,834.52

Finding the Fourth Proportional to 77,212.44, 115,836.66 and 29,834.52

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Solution

The fourth proportional to 77,212.44, 115,836.66 and 29,834.52 is: 44,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,212.44 : 115,836.66 = 29,834.52 : x
  2. Step 2: Convert to fraction form
    77,212.44/115,836.66 = 29,834.52/x
  3. Step 3: Cross multiply
    77,212.44x = 115,836.66 × 29,834.52
  4. Step 4: Simplify right side
    77,212.44x = 3,455,931,149.50
  5. Step 5: Solve for x
    x = 3,455,931,149.50/77,212.44
  6. Step 6: Final answer
    x = 44,758.74

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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.