Home / 109,555.28-164,351.08-38,459.48

Finding the Fourth Proportional to 109,555.28, 164,351.08 and 38,459.48

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Solution

The fourth proportional to 109,555.28, 164,351.08 and 38,459.48 is: 57,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,555.28 : 164,351.08 = 38,459.48 : x
  2. Step 2: Convert to fraction form
    109,555.28/164,351.08 = 38,459.48/x
  3. Step 3: Cross multiply
    109,555.28x = 164,351.08 × 38,459.48
  4. Step 4: Simplify right side
    109,555.28x = 6,320,857,074.24
  5. Step 5: Solve for x
    x = 6,320,857,074.24/109,555.28
  6. Step 6: Final answer
    x = 57,695.60

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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.