Home / 109,697.36-164,421.63-50,410.51

Finding the Fourth Proportional to 109,697.36, 164,421.63 and 50,410.51

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Solution

The fourth proportional to 109,697.36, 164,421.63 and 50,410.51 is: 75,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,697.36 : 164,421.63 = 50,410.51 : x
  2. Step 2: Convert to fraction form
    109,697.36/164,421.63 = 50,410.51/x
  3. Step 3: Cross multiply
    109,697.36x = 164,421.63 × 50,410.51
  4. Step 4: Simplify right side
    109,697.36x = 8,288,577,812.28
  5. Step 5: Solve for x
    x = 8,288,577,812.28/109,697.36
  6. Step 6: Final answer
    x = 75,558.59

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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.