Home / 102,627.36-141,626.40-60,186.72

Finding the Fourth Proportional to 102,627.36, 141,626.40 and 60,186.72

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Solution

The fourth proportional to 102,627.36, 141,626.40 and 60,186.72 is: 83,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,627.36 : 141,626.40 = 60,186.72 : x
  2. Step 2: Convert to fraction form
    102,627.36/141,626.40 = 60,186.72/x
  3. Step 3: Cross multiply
    102,627.36x = 141,626.40 × 60,186.72
  4. Step 4: Simplify right side
    102,627.36x = 8,524,028,481.41
  5. Step 5: Solve for x
    x = 8,524,028,481.41/102,627.36
  6. Step 6: Final answer
    x = 83,058.05

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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.