Home / 77,900.31-107,376.48-60,874.96

Finding the Fourth Proportional to 77,900.31, 107,376.48 and 60,874.96

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Solution

The fourth proportional to 77,900.31, 107,376.48 and 60,874.96 is: 83,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,900.31 : 107,376.48 = 60,874.96 : x
  2. Step 2: Convert to fraction form
    77,900.31/107,376.48 = 60,874.96/x
  3. Step 3: Cross multiply
    77,900.31x = 107,376.48 × 60,874.96
  4. Step 4: Simplify right side
    77,900.31x = 6,536,538,924.94
  5. Step 5: Solve for x
    x = 6,536,538,924.94/77,900.31
  6. Step 6: Final answer
    x = 83,909.02

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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.