Home / 99,295.26-137,030.12-53,976.29

Finding the Fourth Proportional to 99,295.26, 137,030.12 and 53,976.29

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Solution

The fourth proportional to 99,295.26, 137,030.12 and 53,976.29 is: 74,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,295.26 : 137,030.12 = 53,976.29 : x
  2. Step 2: Convert to fraction form
    99,295.26/137,030.12 = 53,976.29/x
  3. Step 3: Cross multiply
    99,295.26x = 137,030.12 × 53,976.29
  4. Step 4: Simplify right side
    99,295.26x = 7,396,377,495.85
  5. Step 5: Solve for x
    x = 7,396,377,495.85/99,295.26
  6. Step 6: Final answer
    x = 74,488.73

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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.