Home / 99,995.13-137,993.52-54,676.04

Finding the Fourth Proportional to 99,995.13, 137,993.52 and 54,676.04

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Solution

The fourth proportional to 99,995.13, 137,993.52 and 54,676.04 is: 75,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,995.13 : 137,993.52 = 54,676.04 : x
  2. Step 2: Convert to fraction form
    99,995.13/137,993.52 = 54,676.04/x
  3. Step 3: Cross multiply
    99,995.13x = 137,993.52 × 54,676.04
  4. Step 4: Simplify right side
    99,995.13x = 7,544,939,219.26
  5. Step 5: Solve for x
    x = 7,544,939,219.26/99,995.13
  6. Step 6: Final answer
    x = 75,453.07

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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.