Home / 62,859.11-94,268.49-20,729.72

Finding the Fourth Proportional to 62,859.11, 94,268.49 and 20,729.72

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Solution

The fourth proportional to 62,859.11, 94,268.49 and 20,729.72 is: 31,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,859.11 : 94,268.49 = 20,729.72 : x
  2. Step 2: Convert to fraction form
    62,859.11/94,268.49 = 20,729.72/x
  3. Step 3: Cross multiply
    62,859.11x = 94,268.49 × 20,729.72
  4. Step 4: Simplify right side
    62,859.11x = 1,954,158,931.18
  5. Step 5: Solve for x
    x = 1,954,158,931.18/62,859.11
  6. Step 6: Final answer
    x = 31,087.92

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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.