Home / 104,351.16-156,388.34-54,473.21

Finding the Fourth Proportional to 104,351.16, 156,388.34 and 54,473.21

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Solution

The fourth proportional to 104,351.16, 156,388.34 and 54,473.21 is: 81,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,351.16 : 156,388.34 = 54,473.21 : x
  2. Step 2: Convert to fraction form
    104,351.16/156,388.34 = 54,473.21/x
  3. Step 3: Cross multiply
    104,351.16x = 156,388.34 × 54,473.21
  4. Step 4: Simplify right side
    104,351.16x = 8,518,973,832.06
  5. Step 5: Solve for x
    x = 8,518,973,832.06/104,351.16
  6. Step 6: Final answer
    x = 81,637.56

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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.