Home / 76,942.08-106,169.76-42,949.44

Finding the Fourth Proportional to 76,942.08, 106,169.76 and 42,949.44

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Solution

The fourth proportional to 76,942.08, 106,169.76 and 42,949.44 is: 59,264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,942.08 : 106,169.76 = 42,949.44 : x
  2. Step 2: Convert to fraction form
    76,942.08/106,169.76 = 42,949.44/x
  3. Step 3: Cross multiply
    76,942.08x = 106,169.76 × 42,949.44
  4. Step 4: Simplify right side
    76,942.08x = 4,559,931,736.93
  5. Step 5: Solve for x
    x = 4,559,931,736.93/76,942.08
  6. Step 6: Final answer
    x = 59,264.47

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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.