Home / 104,236.32-156,366.24-48,078.72

Finding the Fourth Proportional to 104,236.32, 156,366.24 and 48,078.72

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Solution

The fourth proportional to 104,236.32, 156,366.24 and 48,078.72 is: 72,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,236.32 : 156,366.24 = 48,078.72 : x
  2. Step 2: Convert to fraction form
    104,236.32/156,366.24 = 48,078.72/x
  3. Step 3: Cross multiply
    104,236.32x = 156,366.24 × 48,078.72
  4. Step 4: Simplify right side
    104,236.32x = 7,517,888,670.41
  5. Step 5: Solve for x
    x = 7,517,888,670.41/104,236.32
  6. Step 6: Final answer
    x = 72,123.50

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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.