Home / 74,501.08-111,751.62-21,910.57

Finding the Fourth Proportional to 74,501.08, 111,751.62 and 21,910.57

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Solution

The fourth proportional to 74,501.08, 111,751.62 and 21,910.57 is: 32,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,501.08 : 111,751.62 = 21,910.57 : x
  2. Step 2: Convert to fraction form
    74,501.08/111,751.62 = 21,910.57/x
  3. Step 3: Cross multiply
    74,501.08x = 111,751.62 × 21,910.57
  4. Step 4: Simplify right side
    74,501.08x = 2,448,541,024.31
  5. Step 5: Solve for x
    x = 2,448,541,024.31/74,501.08
  6. Step 6: Final answer
    x = 32,865.84

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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.