Home / 57,115.14-78,819.99-34,168.59

Finding the Fourth Proportional to 57,115.14, 78,819.99 and 34,168.59

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Solution

The fourth proportional to 57,115.14, 78,819.99 and 34,168.59 is: 47,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,115.14 : 78,819.99 = 34,168.59 : x
  2. Step 2: Convert to fraction form
    57,115.14/78,819.99 = 34,168.59/x
  3. Step 3: Cross multiply
    57,115.14x = 78,819.99 × 34,168.59
  4. Step 4: Simplify right side
    57,115.14x = 2,693,167,509.10
  5. Step 5: Solve for x
    x = 2,693,167,509.10/57,115.14
  6. Step 6: Final answer
    x = 47,153.30

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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.