Home / 102,662.10-153,845.73-60,442.47

Finding the Fourth Proportional to 102,662.10, 153,845.73 and 60,442.47

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Solution

The fourth proportional to 102,662.10, 153,845.73 and 60,442.47 is: 90,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,662.10 : 153,845.73 = 60,442.47 : x
  2. Step 2: Convert to fraction form
    102,662.10/153,845.73 = 60,442.47/x
  3. Step 3: Cross multiply
    102,662.10x = 153,845.73 × 60,442.47
  4. Step 4: Simplify right side
    102,662.10x = 9,298,815,920.15
  5. Step 5: Solve for x
    x = 9,298,815,920.15/102,662.10
  6. Step 6: Final answer
    x = 90,576.91

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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.