Home / 75,813.72-104,624.16-41,821.62

Finding the Fourth Proportional to 75,813.72, 104,624.16 and 41,821.62

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Solution

The fourth proportional to 75,813.72, 104,624.16 and 41,821.62 is: 57,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,813.72 : 104,624.16 = 41,821.62 : x
  2. Step 2: Convert to fraction form
    75,813.72/104,624.16 = 41,821.62/x
  3. Step 3: Cross multiply
    75,813.72x = 104,624.16 × 41,821.62
  4. Step 4: Simplify right side
    75,813.72x = 4,375,551,862.34
  5. Step 5: Solve for x
    x = 4,375,551,862.34/75,813.72
  6. Step 6: Final answer
    x = 57,714.51

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1.5x scale

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.