Home / 108,787.38-163,181.79-29,909.94

Finding the Fourth Proportional to 108,787.38, 163,181.79 and 29,909.94

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Solution

The fourth proportional to 108,787.38, 163,181.79 and 29,909.94 is: 44,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,787.38 : 163,181.79 = 29,909.94 : x
  2. Step 2: Convert to fraction form
    108,787.38/163,181.79 = 29,909.94/x
  3. Step 3: Cross multiply
    108,787.38x = 163,181.79 × 29,909.94
  4. Step 4: Simplify right side
    108,787.38x = 4,880,757,547.99
  5. Step 5: Solve for x
    x = 4,880,757,547.99/108,787.38
  6. Step 6: Final answer
    x = 44,865.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.