Home / 57,608.20-86,412.30-47,110.60

Finding the Fourth Proportional to 57,608.20, 86,412.30 and 47,110.60

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Solution

The fourth proportional to 57,608.20, 86,412.30 and 47,110.60 is: 70,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,608.20 : 86,412.30 = 47,110.60 : x
  2. Step 2: Convert to fraction form
    57,608.20/86,412.30 = 47,110.60/x
  3. Step 3: Cross multiply
    57,608.20x = 86,412.30 × 47,110.60
  4. Step 4: Simplify right side
    57,608.20x = 4,070,935,300.38
  5. Step 5: Solve for x
    x = 4,070,935,300.38/57,608.20
  6. Step 6: Final answer
    x = 70,665.90

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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.