Home / 77,450.85-106,882.22-43,454.64

Finding the Fourth Proportional to 77,450.85, 106,882.22 and 43,454.64

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Solution

The fourth proportional to 77,450.85, 106,882.22 and 43,454.64 is: 59,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,450.85 : 106,882.22 = 43,454.64 : x
  2. Step 2: Convert to fraction form
    77,450.85/106,882.22 = 43,454.64/x
  3. Step 3: Cross multiply
    77,450.85x = 106,882.22 × 43,454.64
  4. Step 4: Simplify right side
    77,450.85x = 4,644,528,392.50
  5. Step 5: Solve for x
    x = 4,644,528,392.50/77,450.85
  6. Step 6: Final answer
    x = 59,967.43

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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.