Home / 78,324.53-108,087.48-42,514.22

Finding the Fourth Proportional to 78,324.53, 108,087.48 and 42,514.22

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Solution

The fourth proportional to 78,324.53, 108,087.48 and 42,514.22 is: 58,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,324.53 : 108,087.48 = 42,514.22 : x
  2. Step 2: Convert to fraction form
    78,324.53/108,087.48 = 42,514.22/x
  3. Step 3: Cross multiply
    78,324.53x = 108,087.48 × 42,514.22
  4. Step 4: Simplify right side
    78,324.53x = 4,595,255,174.18
  5. Step 5: Solve for x
    x = 4,595,255,174.18/78,324.53
  6. Step 6: Final answer
    x = 58,669.43

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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.