Home / 109,301.76-163,975.68-35,424

Finding the Fourth Proportional to 109,301.76, 163,975.68 and 35,424

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Solution

The fourth proportional to 109,301.76, 163,975.68 and 35,424 is: 53,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,301.76 : 163,975.68 = 35,424 : x
  2. Step 2: Convert to fraction form
    109,301.76/163,975.68 = 35,424/x
  3. Step 3: Cross multiply
    109,301.76x = 163,975.68 × 35,424
  4. Step 4: Simplify right side
    109,301.76x = 5,808,674,488.32
  5. Step 5: Solve for x
    x = 5,808,674,488.32/109,301.76
  6. Step 6: Final answer
    x = 53,143.47

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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.