Home / 76,360.48-114,498.68-40,863.42

Finding the Fourth Proportional to 76,360.48, 114,498.68 and 40,863.42

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Solution

The fourth proportional to 76,360.48, 114,498.68 and 40,863.42 is: 61,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,360.48 : 114,498.68 = 40,863.42 : x
  2. Step 2: Convert to fraction form
    76,360.48/114,498.68 = 40,863.42/x
  3. Step 3: Cross multiply
    76,360.48x = 114,498.68 × 40,863.42
  4. Step 4: Simplify right side
    76,360.48x = 4,678,807,445.97
  5. Step 5: Solve for x
    x = 4,678,807,445.97/76,360.48
  6. Step 6: Final answer
    x = 61,272.63

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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.