Home / 77,855.28-107,441.10-44,323.44

Finding the Fourth Proportional to 77,855.28, 107,441.10 and 44,323.44

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Solution

The fourth proportional to 77,855.28, 107,441.10 and 44,323.44 is: 61,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,855.28 : 107,441.10 = 44,323.44 : x
  2. Step 2: Convert to fraction form
    77,855.28/107,441.10 = 44,323.44/x
  3. Step 3: Cross multiply
    77,855.28x = 107,441.10 × 44,323.44
  4. Step 4: Simplify right side
    77,855.28x = 4,762,159,149.38
  5. Step 5: Solve for x
    x = 4,762,159,149.38/77,855.28
  6. Step 6: Final answer
    x = 61,166.81

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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.