Home / 97,142.44-145,713.92-27,021.76

Finding the Fourth Proportional to 97,142.44, 145,713.92 and 27,021.76

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Solution

The fourth proportional to 97,142.44, 145,713.92 and 27,021.76 is: 40,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,142.44 : 145,713.92 = 27,021.76 : x
  2. Step 2: Convert to fraction form
    97,142.44/145,713.92 = 27,021.76/x
  3. Step 3: Cross multiply
    97,142.44x = 145,713.92 × 27,021.76
  4. Step 4: Simplify right side
    97,142.44x = 3,937,446,574.90
  5. Step 5: Solve for x
    x = 3,937,446,574.90/97,142.44
  6. Step 6: Final answer
    x = 40,532.71

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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.