Home / 77,197.55-115,829.44-29,845.90

Finding the Fourth Proportional to 77,197.55, 115,829.44 and 29,845.90

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Solution

The fourth proportional to 77,197.55, 115,829.44 and 29,845.90 is: 44,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,197.55 : 115,829.44 = 29,845.90 : x
  2. Step 2: Convert to fraction form
    77,197.55/115,829.44 = 29,845.90/x
  3. Step 3: Cross multiply
    77,197.55x = 115,829.44 × 29,845.90
  4. Step 4: Simplify right side
    77,197.55x = 3,457,033,883.30
  5. Step 5: Solve for x
    x = 3,457,033,883.30/77,197.55
  6. Step 6: Final answer
    x = 44,781.65

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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.