Home / 115,621.19-173,429.09-53,291.69

Finding the Fourth Proportional to 115,621.19, 173,429.09 and 53,291.69

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Solution

The fourth proportional to 115,621.19, 173,429.09 and 53,291.69 is: 79,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,621.19 : 173,429.09 = 53,291.69 : x
  2. Step 2: Convert to fraction form
    115,621.19/173,429.09 = 53,291.69/x
  3. Step 3: Cross multiply
    115,621.19x = 173,429.09 × 53,291.69
  4. Step 4: Simplify right side
    115,621.19x = 9,242,329,034.80
  5. Step 5: Solve for x
    x = 9,242,329,034.80/115,621.19
  6. Step 6: Final answer
    x = 79,936.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.