Home / 97,238.34-145,856.70-27,111.78

Finding the Fourth Proportional to 97,238.34, 145,856.70 and 27,111.78

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Solution

The fourth proportional to 97,238.34, 145,856.70 and 27,111.78 is: 40,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,238.34 : 145,856.70 = 27,111.78 : x
  2. Step 2: Convert to fraction form
    97,238.34/145,856.70 = 27,111.78/x
  3. Step 3: Cross multiply
    97,238.34x = 145,856.70 × 27,111.78
  4. Step 4: Simplify right side
    97,238.34x = 3,954,434,761.93
  5. Step 5: Solve for x
    x = 3,954,434,761.93/97,238.34
  6. Step 6: Final answer
    x = 40,667.44

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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.