Home / 74,832.72-111,587.46-74,165.67

Finding the Fourth Proportional to 74,832.72, 111,587.46 and 74,165.67

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Solution

The fourth proportional to 74,832.72, 111,587.46 and 74,165.67 is: 110,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,832.72 : 111,587.46 = 74,165.67 : x
  2. Step 2: Convert to fraction form
    74,832.72/111,587.46 = 74,165.67/x
  3. Step 3: Cross multiply
    74,832.72x = 111,587.46 × 74,165.67
  4. Step 4: Simplify right side
    74,832.72x = 8,275,958,734.50
  5. Step 5: Solve for x
    x = 8,275,958,734.50/74,832.72
  6. Step 6: Final answer
    x = 110,592.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.