Home / 92,389.86-138,514.14-76,546.26

Finding the Fourth Proportional to 92,389.86, 138,514.14 and 76,546.26

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Solution

The fourth proportional to 92,389.86, 138,514.14 and 76,546.26 is: 114,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,389.86 : 138,514.14 = 76,546.26 : x
  2. Step 2: Convert to fraction form
    92,389.86/138,514.14 = 76,546.26/x
  3. Step 3: Cross multiply
    92,389.86x = 138,514.14 × 76,546.26
  4. Step 4: Simplify right side
    92,389.86x = 10,602,739,374.12
  5. Step 5: Solve for x
    x = 10,602,739,374.12/92,389.86
  6. Step 6: Final answer
    x = 114,760.86

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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.