Home / 74,011.08-111,013.92-34,513.68

Finding the Fourth Proportional to 74,011.08, 111,013.92 and 34,513.68

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Solution

The fourth proportional to 74,011.08, 111,013.92 and 34,513.68 is: 51,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,011.08 : 111,013.92 = 34,513.68 : x
  2. Step 2: Convert to fraction form
    74,011.08/111,013.92 = 34,513.68/x
  3. Step 3: Cross multiply
    74,011.08x = 111,013.92 × 34,513.68
  4. Step 4: Simplify right side
    74,011.08x = 3,831,498,910.43
  5. Step 5: Solve for x
    x = 3,831,498,910.43/74,011.08
  6. Step 6: Final answer
    x = 51,769.26

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1.5x scale

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.