Home / 77,934.96-116,748.63-40,519.44

Finding the Fourth Proportional to 77,934.96, 116,748.63 and 40,519.44

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Solution

The fourth proportional to 77,934.96, 116,748.63 and 40,519.44 is: 60,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,934.96 : 116,748.63 = 40,519.44 : x
  2. Step 2: Convert to fraction form
    77,934.96/116,748.63 = 40,519.44/x
  3. Step 3: Cross multiply
    77,934.96x = 116,748.63 × 40,519.44
  4. Step 4: Simplify right side
    77,934.96x = 4,730,589,108.37
  5. Step 5: Solve for x
    x = 4,730,589,108.37/77,934.96
  6. Step 6: Final answer
    x = 60,699.19

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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.