Home / 79,527.78-109,751.16-45,542.34

Finding the Fourth Proportional to 79,527.78, 109,751.16 and 45,542.34

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Solution

The fourth proportional to 79,527.78, 109,751.16 and 45,542.34 is: 62,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,527.78 : 109,751.16 = 45,542.34 : x
  2. Step 2: Convert to fraction form
    79,527.78/109,751.16 = 45,542.34/x
  3. Step 3: Cross multiply
    79,527.78x = 109,751.16 × 45,542.34
  4. Step 4: Simplify right side
    79,527.78x = 4,998,324,644.11
  5. Step 5: Solve for x
    x = 4,998,324,644.11/79,527.78
  6. Step 6: Final answer
    x = 62,850.05

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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.