Home / 42,697.20-64,122.60-41,314.80

Finding the Fourth Proportional to 42,697.20, 64,122.60 and 41,314.80

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Solution

The fourth proportional to 42,697.20, 64,122.60 and 41,314.80 is: 62,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,697.20 : 64,122.60 = 41,314.80 : x
  2. Step 2: Convert to fraction form
    42,697.20/64,122.60 = 41,314.80/x
  3. Step 3: Cross multiply
    42,697.20x = 64,122.60 × 41,314.80
  4. Step 4: Simplify right side
    42,697.20x = 2,649,212,394.48
  5. Step 5: Solve for x
    x = 2,649,212,394.48/42,697.20
  6. Step 6: Final answer
    x = 62,046.51

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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.