Home / 104,345.28-156,388.32-48,824.64

Finding the Fourth Proportional to 104,345.28, 156,388.32 and 48,824.64

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Solution

The fourth proportional to 104,345.28, 156,388.32 and 48,824.64 is: 73,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,345.28 : 156,388.32 = 48,824.64 : x
  2. Step 2: Convert to fraction form
    104,345.28/156,388.32 = 48,824.64/x
  3. Step 3: Cross multiply
    104,345.28x = 156,388.32 × 48,824.64
  4. Step 4: Simplify right side
    104,345.28x = 7,635,603,424.20
  5. Step 5: Solve for x
    x = 7,635,603,424.20/104,345.28
  6. Step 6: Final answer
    x = 73,176.32

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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.