Home / 68,661.04-102,870.43-60,132.38

Finding the Fourth Proportional to 68,661.04, 102,870.43 and 60,132.38

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Solution

The fourth proportional to 68,661.04, 102,870.43 and 60,132.38 is: 90,092.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,661.04 : 102,870.43 = 60,132.38 : x
  2. Step 2: Convert to fraction form
    68,661.04/102,870.43 = 60,132.38/x
  3. Step 3: Cross multiply
    68,661.04x = 102,870.43 × 60,132.38
  4. Step 4: Simplify right side
    68,661.04x = 6,185,843,787.52
  5. Step 5: Solve for x
    x = 6,185,843,787.52/68,661.04
  6. Step 6: Final answer
    x = 90,092.49

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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.