Home / 109,713.28-164,459.10-43,200.08

Finding the Fourth Proportional to 109,713.28, 164,459.10 and 43,200.08

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Solution

The fourth proportional to 109,713.28, 164,459.10 and 43,200.08 is: 64,756.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,713.28 : 164,459.10 = 43,200.08 : x
  2. Step 2: Convert to fraction form
    109,713.28/164,459.10 = 43,200.08/x
  3. Step 3: Cross multiply
    109,713.28x = 164,459.10 × 43,200.08
  4. Step 4: Simplify right side
    109,713.28x = 7,104,646,276.73
  5. Step 5: Solve for x
    x = 7,104,646,276.73/109,713.28
  6. Step 6: Final answer
    x = 64,756.48

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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.