Home / 99,296.26-137,031.50-53,977.29

Finding the Fourth Proportional to 99,296.26, 137,031.50 and 53,977.29

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Solution

The fourth proportional to 99,296.26, 137,031.50 and 53,977.29 is: 74,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,296.26 : 137,031.50 = 53,977.29 : x
  2. Step 2: Convert to fraction form
    99,296.26/137,031.50 = 53,977.29/x
  3. Step 3: Cross multiply
    99,296.26x = 137,031.50 × 53,977.29
  4. Step 4: Simplify right side
    99,296.26x = 7,396,589,014.64
  5. Step 5: Solve for x
    x = 7,396,589,014.64/99,296.26
  6. Step 6: Final answer
    x = 74,490.11

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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.