Home / 83,057.92-124,603.29-30,467.86

Finding the Fourth Proportional to 83,057.92, 124,603.29 and 30,467.86

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Solution

The fourth proportional to 83,057.92, 124,603.29 and 30,467.86 is: 45,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,057.92 : 124,603.29 = 30,467.86 : x
  2. Step 2: Convert to fraction form
    83,057.92/124,603.29 = 30,467.86/x
  3. Step 3: Cross multiply
    83,057.92x = 124,603.29 × 30,467.86
  4. Step 4: Simplify right side
    83,057.92x = 3,796,395,595.26
  5. Step 5: Solve for x
    x = 3,796,395,595.26/83,057.92
  6. Step 6: Final answer
    x = 45,707.81

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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.