Home / 75,888.09-113,550.21-47,676.06

Finding the Fourth Proportional to 75,888.09, 113,550.21 and 47,676.06

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Solution

The fourth proportional to 75,888.09, 113,550.21 and 47,676.06 is: 71,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,888.09 : 113,550.21 = 47,676.06 : x
  2. Step 2: Convert to fraction form
    75,888.09/113,550.21 = 47,676.06/x
  3. Step 3: Cross multiply
    75,888.09x = 113,550.21 × 47,676.06
  4. Step 4: Simplify right side
    75,888.09x = 5,413,626,624.97
  5. Step 5: Solve for x
    x = 5,413,626,624.97/75,888.09
  6. Step 6: Final answer
    x = 71,336.97

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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.