Home / 75,846.15-104,666.67-41,853.78

Finding the Fourth Proportional to 75,846.15, 104,666.67 and 41,853.78

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Solution

The fourth proportional to 75,846.15, 104,666.67 and 41,853.78 is: 57,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,846.15 : 104,666.67 = 41,853.78 : x
  2. Step 2: Convert to fraction form
    75,846.15/104,666.67 = 41,853.78/x
  3. Step 3: Cross multiply
    75,846.15x = 104,666.67 × 41,853.78
  4. Step 4: Simplify right side
    75,846.15x = 4,380,695,779.51
  5. Step 5: Solve for x
    x = 4,380,695,779.51/75,846.15
  6. Step 6: Final answer
    x = 57,757.66

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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.