Home / 51,729.57-77,441.27-31,944.51

Finding the Fourth Proportional to 51,729.57, 77,441.27 and 31,944.51

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Solution

The fourth proportional to 51,729.57, 77,441.27 and 31,944.51 is: 47,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,729.57 : 77,441.27 = 31,944.51 : x
  2. Step 2: Convert to fraction form
    51,729.57/77,441.27 = 31,944.51/x
  3. Step 3: Cross multiply
    51,729.57x = 77,441.27 × 31,944.51
  4. Step 4: Simplify right side
    51,729.57x = 2,473,823,264.21
  5. Step 5: Solve for x
    x = 2,473,823,264.21/51,729.57
  6. Step 6: Final answer
    x = 47,822.23

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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.