Home / 53,929.20-80,921.15-36,362.13

Finding the Fourth Proportional to 53,929.20, 80,921.15 and 36,362.13

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Solution

The fourth proportional to 53,929.20, 80,921.15 and 36,362.13 is: 54,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,929.20 : 80,921.15 = 36,362.13 : x
  2. Step 2: Convert to fraction form
    53,929.20/80,921.15 = 36,362.13/x
  3. Step 3: Cross multiply
    53,929.20x = 80,921.15 × 36,362.13
  4. Step 4: Simplify right side
    53,929.20x = 2,942,465,376.05
  5. Step 5: Solve for x
    x = 2,942,465,376.05/53,929.20
  6. Step 6: Final answer
    x = 54,561.64

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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.