Home / 56,417.20-84,625.80-51,233.20

Finding the Fourth Proportional to 56,417.20, 84,625.80 and 51,233.20

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Solution

The fourth proportional to 56,417.20, 84,625.80 and 51,233.20 is: 76,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,417.20 : 84,625.80 = 51,233.20 : x
  2. Step 2: Convert to fraction form
    56,417.20/84,625.80 = 51,233.20/x
  3. Step 3: Cross multiply
    56,417.20x = 84,625.80 × 51,233.20
  4. Step 4: Simplify right side
    56,417.20x = 4,335,650,536.56
  5. Step 5: Solve for x
    x = 4,335,650,536.56/56,417.20
  6. Step 6: Final answer
    x = 76,849.80

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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.