Home / 51,514.10-77,344.05-40,433.30

Finding the Fourth Proportional to 51,514.10, 77,344.05 and 40,433.30

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Solution

The fourth proportional to 51,514.10, 77,344.05 and 40,433.30 is: 60,707.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,514.10 : 77,344.05 = 40,433.30 : x
  2. Step 2: Convert to fraction form
    51,514.10/77,344.05 = 40,433.30/x
  3. Step 3: Cross multiply
    51,514.10x = 77,344.05 × 40,433.30
  4. Step 4: Simplify right side
    51,514.10x = 3,127,275,176.87
  5. Step 5: Solve for x
    x = 3,127,275,176.87/51,514.10
  6. Step 6: Final answer
    x = 60,707.17

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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.