Home / 74,129.03-111,166.20-32,011.05

Finding the Fourth Proportional to 74,129.03, 111,166.20 and 32,011.05

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Solution

The fourth proportional to 74,129.03, 111,166.20 and 32,011.05 is: 48,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,129.03 : 111,166.20 = 32,011.05 : x
  2. Step 2: Convert to fraction form
    74,129.03/111,166.20 = 32,011.05/x
  3. Step 3: Cross multiply
    74,129.03x = 111,166.20 × 32,011.05
  4. Step 4: Simplify right side
    74,129.03x = 3,558,546,786.51
  5. Step 5: Solve for x
    x = 3,558,546,786.51/74,129.03
  6. Step 6: Final answer
    x = 48,004.77

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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.