Home / 102,621.92-141,608.84-60,172.48

Finding the Fourth Proportional to 102,621.92, 141,608.84 and 60,172.48

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Solution

The fourth proportional to 102,621.92, 141,608.84 and 60,172.48 is: 83,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,621.92 : 141,608.84 = 60,172.48 : x
  2. Step 2: Convert to fraction form
    102,621.92/141,608.84 = 60,172.48/x
  3. Step 3: Cross multiply
    102,621.92x = 141,608.84 × 60,172.48
  4. Step 4: Simplify right side
    102,621.92x = 8,520,955,092.72
  5. Step 5: Solve for x
    x = 8,520,955,092.72/102,621.92
  6. Step 6: Final answer
    x = 83,032.51

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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.