Home / 53,138.13-73,324.24-30,475.95

Finding the Fourth Proportional to 53,138.13, 73,324.24 and 30,475.95

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Solution

The fourth proportional to 53,138.13, 73,324.24 and 30,475.95 is: 42,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,138.13 : 73,324.24 = 30,475.95 : x
  2. Step 2: Convert to fraction form
    53,138.13/73,324.24 = 30,475.95/x
  3. Step 3: Cross multiply
    53,138.13x = 73,324.24 × 30,475.95
  4. Step 4: Simplify right side
    53,138.13x = 2,234,625,872.03
  5. Step 5: Solve for x
    x = 2,234,625,872.03/53,138.13
  6. Step 6: Final answer
    x = 42,053.15

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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.