Home / 53,098.21-73,263.76-30,729.25

Finding the Fourth Proportional to 53,098.21, 73,263.76 and 30,729.25

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Solution

The fourth proportional to 53,098.21, 73,263.76 and 30,729.25 is: 42,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,098.21 : 73,263.76 = 30,729.25 : x
  2. Step 2: Convert to fraction form
    53,098.21/73,263.76 = 30,729.25/x
  3. Step 3: Cross multiply
    53,098.21x = 73,263.76 × 30,729.25
  4. Step 4: Simplify right side
    53,098.21x = 2,251,340,396.98
  5. Step 5: Solve for x
    x = 2,251,340,396.98/53,098.21
  6. Step 6: Final answer
    x = 42,399.55

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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.