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Finding the Fourth Proportional to 89,783.39, 123,901.94 and 49,498.63

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Solution

The fourth proportional to 89,783.39, 123,901.94 and 49,498.63 is: 68,308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,783.39 : 123,901.94 = 49,498.63 : x
  2. Step 2: Convert to fraction form
    89,783.39/123,901.94 = 49,498.63/x
  3. Step 3: Cross multiply
    89,783.39x = 123,901.94 × 49,498.63
  4. Step 4: Simplify right side
    89,783.39x = 6,132,976,284.34
  5. Step 5: Solve for x
    x = 6,132,976,284.34/89,783.39
  6. Step 6: Final answer
    x = 68,308.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.