Home / 57,044.73-78,688.08-35,787.09

Finding the Fourth Proportional to 57,044.73, 78,688.08 and 35,787.09

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Solution

The fourth proportional to 57,044.73, 78,688.08 and 35,787.09 is: 49,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,044.73 : 78,688.08 = 35,787.09 : x
  2. Step 2: Convert to fraction form
    57,044.73/78,688.08 = 35,787.09/x
  3. Step 3: Cross multiply
    57,044.73x = 78,688.08 × 35,787.09
  4. Step 4: Simplify right side
    57,044.73x = 2,816,017,400.89
  5. Step 5: Solve for x
    x = 2,816,017,400.89/57,044.73
  6. Step 6: Final answer
    x = 49,365.08

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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.