Home / 141,071.69-211,639.83-61,122.96

Finding the Fourth Proportional to 141,071.69, 211,639.83 and 61,122.96

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Solution

The fourth proportional to 141,071.69, 211,639.83 and 61,122.96 is: 91,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,071.69 : 211,639.83 = 61,122.96 : x
  2. Step 2: Convert to fraction form
    141,071.69/211,639.83 = 61,122.96/x
  3. Step 3: Cross multiply
    141,071.69x = 211,639.83 × 61,122.96
  4. Step 4: Simplify right side
    141,071.69x = 12,936,051,499.68
  5. Step 5: Solve for x
    x = 12,936,051,499.68/141,071.69
  6. Step 6: Final answer
    x = 91,698.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.