Home / 74,749.69-112,105.43-22,146.87

Finding the Fourth Proportional to 74,749.69, 112,105.43 and 22,146.87

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Solution

The fourth proportional to 74,749.69, 112,105.43 and 22,146.87 is: 33,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,749.69 : 112,105.43 = 22,146.87 : x
  2. Step 2: Convert to fraction form
    74,749.69/112,105.43 = 22,146.87/x
  3. Step 3: Cross multiply
    74,749.69x = 112,105.43 × 22,146.87
  4. Step 4: Simplify right side
    74,749.69x = 2,482,784,384.50
  5. Step 5: Solve for x
    x = 2,482,784,384.50/74,749.69
  6. Step 6: Final answer
    x = 33,214.64

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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.