Home / 77,968.26-107,590-43,965.87

Finding the Fourth Proportional to 77,968.26, 107,590 and 43,965.87

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Solution

The fourth proportional to 77,968.26, 107,590 and 43,965.87 is: 60,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,968.26 : 107,590 = 43,965.87 : x
  2. Step 2: Convert to fraction form
    77,968.26/107,590 = 43,965.87/x
  3. Step 3: Cross multiply
    77,968.26x = 107,590 × 43,965.87
  4. Step 4: Simplify right side
    77,968.26x = 4,730,287,953.30
  5. Step 5: Solve for x
    x = 4,730,287,953.30/77,968.26
  6. Step 6: Final answer
    x = 60,669.41

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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.