Home / 113,364.64-156,436.38-62,375.50

Finding the Fourth Proportional to 113,364.64, 156,436.38 and 62,375.50

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Solution

The fourth proportional to 113,364.64, 156,436.38 and 62,375.50 is: 86,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,364.64 : 156,436.38 = 62,375.50 : x
  2. Step 2: Convert to fraction form
    113,364.64/156,436.38 = 62,375.50/x
  3. Step 3: Cross multiply
    113,364.64x = 156,436.38 × 62,375.50
  4. Step 4: Simplify right side
    113,364.64x = 9,757,797,420.69
  5. Step 5: Solve for x
    x = 9,757,797,420.69/113,364.64
  6. Step 6: Final answer
    x = 86,074.44

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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.