Home / 54,108.99-74,631.66-37,979.91

Finding the Fourth Proportional to 54,108.99, 74,631.66 and 37,979.91

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Solution

The fourth proportional to 54,108.99, 74,631.66 and 37,979.91 is: 52,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,108.99 : 74,631.66 = 37,979.91 : x
  2. Step 2: Convert to fraction form
    54,108.99/74,631.66 = 37,979.91/x
  3. Step 3: Cross multiply
    54,108.99x = 74,631.66 × 37,979.91
  4. Step 4: Simplify right side
    54,108.99x = 2,834,503,729.95
  5. Step 5: Solve for x
    x = 2,834,503,729.95/54,108.99
  6. Step 6: Final answer
    x = 52,385.08

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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.