Home / 109,748.16-164,509.25-43,161.30

Finding the Fourth Proportional to 109,748.16, 164,509.25 and 43,161.30

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Solution

The fourth proportional to 109,748.16, 164,509.25 and 43,161.30 is: 64,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,748.16 : 164,509.25 = 43,161.30 : x
  2. Step 2: Convert to fraction form
    109,748.16/164,509.25 = 43,161.30/x
  3. Step 3: Cross multiply
    109,748.16x = 164,509.25 × 43,161.30
  4. Step 4: Simplify right side
    109,748.16x = 7,100,432,876.22
  5. Step 5: Solve for x
    x = 7,100,432,876.22/109,748.16
  6. Step 6: Final answer
    x = 64,697.51

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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.