Home / 112,631.76-168,897.68-33,731.28

Finding the Fourth Proportional to 112,631.76, 168,897.68 and 33,731.28

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Solution

The fourth proportional to 112,631.76, 168,897.68 and 33,731.28 is: 50,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,631.76 : 168,897.68 = 33,731.28 : x
  2. Step 2: Convert to fraction form
    112,631.76/168,897.68 = 33,731.28/x
  3. Step 3: Cross multiply
    112,631.76x = 168,897.68 × 33,731.28
  4. Step 4: Simplify right side
    112,631.76x = 5,697,134,935.43
  5. Step 5: Solve for x
    x = 5,697,134,935.43/112,631.76
  6. Step 6: Final answer
    x = 50,581.96

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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.