Home / 64,787.18-97,147.72-48,629.06

Finding the Fourth Proportional to 64,787.18, 97,147.72 and 48,629.06

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Solution

The fourth proportional to 64,787.18, 97,147.72 and 48,629.06 is: 72,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,787.18 : 97,147.72 = 48,629.06 : x
  2. Step 2: Convert to fraction form
    64,787.18/97,147.72 = 48,629.06/x
  3. Step 3: Cross multiply
    64,787.18x = 97,147.72 × 48,629.06
  4. Step 4: Simplify right side
    64,787.18x = 4,724,202,304.74
  5. Step 5: Solve for x
    x = 4,724,202,304.74/64,787.18
  6. Step 6: Final answer
    x = 72,918.78

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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.