Home / 102,531.20-153,631.20-58,025.60

Finding the Fourth Proportional to 102,531.20, 153,631.20 and 58,025.60

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Solution

The fourth proportional to 102,531.20, 153,631.20 and 58,025.60 is: 86,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,531.20 : 153,631.20 = 58,025.60 : x
  2. Step 2: Convert to fraction form
    102,531.20/153,631.20 = 58,025.60/x
  3. Step 3: Cross multiply
    102,531.20x = 153,631.20 × 58,025.60
  4. Step 4: Simplify right side
    102,531.20x = 8,914,542,558.72
  5. Step 5: Solve for x
    x = 8,914,542,558.72/102,531.20
  6. Step 6: Final answer
    x = 86,944.68

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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.