Home / 53,147.10-79,839.45-44,399.10

Finding the Fourth Proportional to 53,147.10, 79,839.45 and 44,399.10

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Solution

The fourth proportional to 53,147.10, 79,839.45 and 44,399.10 is: 66,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,147.10 : 79,839.45 = 44,399.10 : x
  2. Step 2: Convert to fraction form
    53,147.10/79,839.45 = 44,399.10/x
  3. Step 3: Cross multiply
    53,147.10x = 79,839.45 × 44,399.10
  4. Step 4: Simplify right side
    53,147.10x = 3,544,799,724.50
  5. Step 5: Solve for x
    x = 3,544,799,724.50/53,147.10
  6. Step 6: Final answer
    x = 66,697.90

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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.