Home / 97,139.22-145,717.08-27,018.54

Finding the Fourth Proportional to 97,139.22, 145,717.08 and 27,018.54

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Solution

The fourth proportional to 97,139.22, 145,717.08 and 27,018.54 is: 40,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,139.22 : 145,717.08 = 27,018.54 : x
  2. Step 2: Convert to fraction form
    97,139.22/145,717.08 = 27,018.54/x
  3. Step 3: Cross multiply
    97,139.22x = 145,717.08 × 27,018.54
  4. Step 4: Simplify right side
    97,139.22x = 3,937,062,754.66
  5. Step 5: Solve for x
    x = 3,937,062,754.66/97,139.22
  6. Step 6: Final answer
    x = 40,530.10

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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.