Home / 83,830.23-115,676.03-48,018.11

Finding the Fourth Proportional to 83,830.23, 115,676.03 and 48,018.11

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Solution

The fourth proportional to 83,830.23, 115,676.03 and 48,018.11 is: 66,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,830.23 : 115,676.03 = 48,018.11 : x
  2. Step 2: Convert to fraction form
    83,830.23/115,676.03 = 48,018.11/x
  3. Step 3: Cross multiply
    83,830.23x = 115,676.03 × 48,018.11
  4. Step 4: Simplify right side
    83,830.23x = 5,554,543,514.43
  5. Step 5: Solve for x
    x = 5,554,543,514.43/83,830.23
  6. Step 6: Final answer
    x = 66,259.43

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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.