Home / 74,069.35-111,166.24-31,981.24

Finding the Fourth Proportional to 74,069.35, 111,166.24 and 31,981.24

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Solution

The fourth proportional to 74,069.35, 111,166.24 and 31,981.24 is: 47,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069.35 : 111,166.24 = 31,981.24 : x
  2. Step 2: Convert to fraction form
    74,069.35/111,166.24 = 31,981.24/x
  3. Step 3: Cross multiply
    74,069.35x = 111,166.24 × 31,981.24
  4. Step 4: Simplify right side
    74,069.35x = 3,555,234,201.34
  5. Step 5: Solve for x
    x = 3,555,234,201.34/74,069.35
  6. Step 6: Final answer
    x = 47,998.73

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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.