Home / 86,369.50-119,219.74-50,571.02

Finding the Fourth Proportional to 86,369.50, 119,219.74 and 50,571.02

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Solution

The fourth proportional to 86,369.50, 119,219.74 and 50,571.02 is: 69,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,369.50 : 119,219.74 = 50,571.02 : x
  2. Step 2: Convert to fraction form
    86,369.50/119,219.74 = 50,571.02/x
  3. Step 3: Cross multiply
    86,369.50x = 119,219.74 × 50,571.02
  4. Step 4: Simplify right side
    86,369.50x = 6,029,063,855.93
  5. Step 5: Solve for x
    x = 6,029,063,855.93/86,369.50
  6. Step 6: Final answer
    x = 69,805.47

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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.