Home / 48,357.89-66,735.20-27,138.45

Finding the Fourth Proportional to 48,357.89, 66,735.20 and 27,138.45

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Solution

The fourth proportional to 48,357.89, 66,735.20 and 27,138.45 is: 37,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,357.89 : 66,735.20 = 27,138.45 : x
  2. Step 2: Convert to fraction form
    48,357.89/66,735.20 = 27,138.45/x
  3. Step 3: Cross multiply
    48,357.89x = 66,735.20 × 27,138.45
  4. Step 4: Simplify right side
    48,357.89x = 1,811,089,752.75
  5. Step 5: Solve for x
    x = 1,811,089,752.75/48,357.89
  6. Step 6: Final answer
    x = 37,451.80

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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.