Home / 88,112.56-131,837.64-52,442.68

Finding the Fourth Proportional to 88,112.56, 131,837.64 and 52,442.68

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Solution

The fourth proportional to 88,112.56, 131,837.64 and 52,442.68 is: 78,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,112.56 : 131,837.64 = 52,442.68 : x
  2. Step 2: Convert to fraction form
    88,112.56/131,837.64 = 52,442.68/x
  3. Step 3: Cross multiply
    88,112.56x = 131,837.64 × 52,442.68
  4. Step 4: Simplify right side
    88,112.56x = 6,913,919,166.48
  5. Step 5: Solve for x
    x = 6,913,919,166.48/88,112.56
  6. Step 6: Final answer
    x = 78,466.90

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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.