Home / 77,968.83-107,596.82-43,977.21

Finding the Fourth Proportional to 77,968.83, 107,596.82 and 43,977.21

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Solution

The fourth proportional to 77,968.83, 107,596.82 and 43,977.21 is: 60,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,968.83 : 107,596.82 = 43,977.21 : x
  2. Step 2: Convert to fraction form
    77,968.83/107,596.82 = 43,977.21/x
  3. Step 3: Cross multiply
    77,968.83x = 107,596.82 × 43,977.21
  4. Step 4: Simplify right side
    77,968.83x = 4,731,807,948.47
  5. Step 5: Solve for x
    x = 4,731,807,948.47/77,968.83
  6. Step 6: Final answer
    x = 60,688.46

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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.