Home / 104,768.32-157,137.12-34,648.64

Finding the Fourth Proportional to 104,768.32, 157,137.12 and 34,648.64

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Solution

The fourth proportional to 104,768.32, 157,137.12 and 34,648.64 is: 51,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,768.32 : 157,137.12 = 34,648.64 : x
  2. Step 2: Convert to fraction form
    104,768.32/157,137.12 = 34,648.64/x
  3. Step 3: Cross multiply
    104,768.32x = 157,137.12 × 34,648.64
  4. Step 4: Simplify right side
    104,768.32x = 5,444,587,501.52
  5. Step 5: Solve for x
    x = 5,444,587,501.52/104,768.32
  6. Step 6: Final answer
    x = 51,967.88

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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.