Home / 57,019.68-78,680.16-33,151.68

Finding the Fourth Proportional to 57,019.68, 78,680.16 and 33,151.68

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Solution

The fourth proportional to 57,019.68, 78,680.16 and 33,151.68 is: 45,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,019.68 : 78,680.16 = 33,151.68 : x
  2. Step 2: Convert to fraction form
    57,019.68/78,680.16 = 33,151.68/x
  3. Step 3: Cross multiply
    57,019.68x = 78,680.16 × 33,151.68
  4. Step 4: Simplify right side
    57,019.68x = 2,608,379,486.67
  5. Step 5: Solve for x
    x = 2,608,379,486.67/57,019.68
  6. Step 6: Final answer
    x = 45,745.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.