Home / 77,180.26-106,505.85-43,646.98

Finding the Fourth Proportional to 77,180.26, 106,505.85 and 43,646.98

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Solution

The fourth proportional to 77,180.26, 106,505.85 and 43,646.98 is: 60,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,180.26 : 106,505.85 = 43,646.98 : x
  2. Step 2: Convert to fraction form
    77,180.26/106,505.85 = 43,646.98/x
  3. Step 3: Cross multiply
    77,180.26x = 106,505.85 × 43,646.98
  4. Step 4: Simplify right side
    77,180.26x = 4,648,658,704.83
  5. Step 5: Solve for x
    x = 4,648,658,704.83/77,180.26
  6. Step 6: Final answer
    x = 60,231.19

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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.