Home / 53,401.20-80,084.52-38,644.08

Finding the Fourth Proportional to 53,401.20, 80,084.52 and 38,644.08

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Solution

The fourth proportional to 53,401.20, 80,084.52 and 38,644.08 is: 57,953.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,401.20 : 80,084.52 = 38,644.08 : x
  2. Step 2: Convert to fraction form
    53,401.20/80,084.52 = 38,644.08/x
  3. Step 3: Cross multiply
    53,401.20x = 80,084.52 × 38,644.08
  4. Step 4: Simplify right side
    53,401.20x = 3,094,792,597.64
  5. Step 5: Solve for x
    x = 3,094,792,597.64/53,401.20
  6. Step 6: Final answer
    x = 57,953.62

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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.