Home / 57,728.16-79,685.91-33,874.74

Finding the Fourth Proportional to 57,728.16, 79,685.91 and 33,874.74

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Solution

The fourth proportional to 57,728.16, 79,685.91 and 33,874.74 is: 46,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,728.16 : 79,685.91 = 33,874.74 : x
  2. Step 2: Convert to fraction form
    57,728.16/79,685.91 = 33,874.74/x
  3. Step 3: Cross multiply
    57,728.16x = 79,685.91 × 33,874.74
  4. Step 4: Simplify right side
    57,728.16x = 2,699,339,482.91
  5. Step 5: Solve for x
    x = 2,699,339,482.91/57,728.16
  6. Step 6: Final answer
    x = 46,759.49

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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.