Home / 86,923.62-119,951.55-49,197.06

Finding the Fourth Proportional to 86,923.62, 119,951.55 and 49,197.06

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Solution

The fourth proportional to 86,923.62, 119,951.55 and 49,197.06 is: 67,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,923.62 : 119,951.55 = 49,197.06 : x
  2. Step 2: Convert to fraction form
    86,923.62/119,951.55 = 49,197.06/x
  3. Step 3: Cross multiply
    86,923.62x = 119,951.55 × 49,197.06
  4. Step 4: Simplify right side
    86,923.62x = 5,901,263,602.44
  5. Step 5: Solve for x
    x = 5,901,263,602.44/86,923.62
  6. Step 6: Final answer
    x = 67,890.22

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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.