Home / 89,270.80-123,197.34-53,453.68

Finding the Fourth Proportional to 89,270.80, 123,197.34 and 53,453.68

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Solution

The fourth proportional to 89,270.80, 123,197.34 and 53,453.68 is: 73,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,270.80 : 123,197.34 = 53,453.68 : x
  2. Step 2: Convert to fraction form
    89,270.80/123,197.34 = 53,453.68/x
  3. Step 3: Cross multiply
    89,270.80x = 123,197.34 × 53,453.68
  4. Step 4: Simplify right side
    89,270.80x = 6,585,351,189.21
  5. Step 5: Solve for x
    x = 6,585,351,189.21/89,270.80
  6. Step 6: Final answer
    x = 73,768.26

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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.