Home / 99,287.29-137,017.37-53,965.37

Finding the Fourth Proportional to 99,287.29, 137,017.37 and 53,965.37

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Solution

The fourth proportional to 99,287.29, 137,017.37 and 53,965.37 is: 74,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,287.29 : 137,017.37 = 53,965.37 : x
  2. Step 2: Convert to fraction form
    99,287.29/137,017.37 = 53,965.37/x
  3. Step 3: Cross multiply
    99,287.29x = 137,017.37 × 53,965.37
  4. Step 4: Simplify right side
    99,287.29x = 7,394,192,798.65
  5. Step 5: Solve for x
    x = 7,394,192,798.65/99,287.29
  6. Step 6: Final answer
    x = 74,472.71

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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.