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Finding the Fourth Proportional to 59,975.84, 82,773.64 and 49,886.48

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Solution

The fourth proportional to 59,975.84, 82,773.64 and 49,886.48 is: 68,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,975.84 : 82,773.64 = 49,886.48 : x
  2. Step 2: Convert to fraction form
    59,975.84/82,773.64 = 49,886.48/x
  3. Step 3: Cross multiply
    59,975.84x = 82,773.64 × 49,886.48
  4. Step 4: Simplify right side
    59,975.84x = 4,129,285,536.39
  5. Step 5: Solve for x
    x = 4,129,285,536.39/59,975.84
  6. Step 6: Final answer
    x = 68,849.15

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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.