Home / 112,914.62-169,371.99-28,681.10

Finding the Fourth Proportional to 112,914.62, 169,371.99 and 28,681.10

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Solution

The fourth proportional to 112,914.62, 169,371.99 and 28,681.10 is: 43,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,914.62 : 169,371.99 = 28,681.10 : x
  2. Step 2: Convert to fraction form
    112,914.62/169,371.99 = 28,681.10/x
  3. Step 3: Cross multiply
    112,914.62x = 169,371.99 × 28,681.10
  4. Step 4: Simplify right side
    112,914.62x = 4,857,774,982.39
  5. Step 5: Solve for x
    x = 4,857,774,982.39/112,914.62
  6. Step 6: Final answer
    x = 43,021.67

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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.