Home / 75,320.72-103,939.12-41,328.37

Finding the Fourth Proportional to 75,320.72, 103,939.12 and 41,328.37

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Solution

The fourth proportional to 75,320.72, 103,939.12 and 41,328.37 is: 57,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.72 : 103,939.12 = 41,328.37 : x
  2. Step 2: Convert to fraction form
    75,320.72/103,939.12 = 41,328.37/x
  3. Step 3: Cross multiply
    75,320.72x = 103,939.12 × 41,328.37
  4. Step 4: Simplify right side
    75,320.72x = 4,295,634,408.83
  5. Step 5: Solve for x
    x = 4,295,634,408.83/75,320.72
  6. Step 6: Final answer
    x = 57,031.24

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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.