Home / 74,009.08-110,996.87-33,989.59

Finding the Fourth Proportional to 74,009.08, 110,996.87 and 33,989.59

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Solution

The fourth proportional to 74,009.08, 110,996.87 and 33,989.59 is: 50,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,009.08 : 110,996.87 = 33,989.59 : x
  2. Step 2: Convert to fraction form
    74,009.08/110,996.87 = 33,989.59/x
  3. Step 3: Cross multiply
    74,009.08x = 110,996.87 × 33,989.59
  4. Step 4: Simplify right side
    74,009.08x = 3,772,737,740.12
  5. Step 5: Solve for x
    x = 3,772,737,740.12/74,009.08
  6. Step 6: Final answer
    x = 50,976.69

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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.