Home / 86,924.40-119,955-49,197.36

Finding the Fourth Proportional to 86,924.40, 119,955 and 49,197.36

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Solution

The fourth proportional to 86,924.40, 119,955 and 49,197.36 is: 67,891.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,924.40 : 119,955 = 49,197.36 : x
  2. Step 2: Convert to fraction form
    86,924.40/119,955 = 49,197.36/x
  3. Step 3: Cross multiply
    86,924.40x = 119,955 × 49,197.36
  4. Step 4: Simplify right side
    86,924.40x = 5,901,469,318.80
  5. Step 5: Solve for x
    x = 5,901,469,318.80/86,924.40
  6. Step 6: Final answer
    x = 67,891.98

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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.