Home / 106,787.79-160,220.08-49,912.35

Finding the Fourth Proportional to 106,787.79, 160,220.08 and 49,912.35

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Solution

The fourth proportional to 106,787.79, 160,220.08 and 49,912.35 is: 74,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,787.79 : 160,220.08 = 49,912.35 : x
  2. Step 2: Convert to fraction form
    106,787.79/160,220.08 = 49,912.35/x
  3. Step 3: Cross multiply
    106,787.79x = 160,220.08 × 49,912.35
  4. Step 4: Simplify right side
    106,787.79x = 7,996,960,792.03
  5. Step 5: Solve for x
    x = 7,996,960,792.03/106,787.79
  6. Step 6: Final answer
    x = 74,886.47

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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.