Home / 56,378.70-77,625.45-47,863.17

Finding the Fourth Proportional to 56,378.70, 77,625.45 and 47,863.17

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Solution

The fourth proportional to 56,378.70, 77,625.45 and 47,863.17 is: 65,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378.70 : 77,625.45 = 47,863.17 : x
  2. Step 2: Convert to fraction form
    56,378.70/77,625.45 = 47,863.17/x
  3. Step 3: Cross multiply
    56,378.70x = 77,625.45 × 47,863.17
  4. Step 4: Simplify right side
    56,378.70x = 3,715,400,109.68
  5. Step 5: Solve for x
    x = 3,715,400,109.68/56,378.70
  6. Step 6: Final answer
    x = 65,900.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.