Home / 109,953.28-164,717.68-65,615.52

Finding the Fourth Proportional to 109,953.28, 164,717.68 and 65,615.52

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Solution

The fourth proportional to 109,953.28, 164,717.68 and 65,615.52 is: 98,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,953.28 : 164,717.68 = 65,615.52 : x
  2. Step 2: Convert to fraction form
    109,953.28/164,717.68 = 65,615.52/x
  3. Step 3: Cross multiply
    109,953.28x = 164,717.68 × 65,615.52
  4. Step 4: Simplify right side
    109,953.28x = 10,808,036,226.39
  5. Step 5: Solve for x
    x = 10,808,036,226.39/109,953.28
  6. Step 6: Final answer
    x = 98,296.62

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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.