Home / 141,979.23-213,050.25-57,723.84

Finding the Fourth Proportional to 141,979.23, 213,050.25 and 57,723.84

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Solution

The fourth proportional to 141,979.23, 213,050.25 and 57,723.84 is: 86,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,979.23 : 213,050.25 = 57,723.84 : x
  2. Step 2: Convert to fraction form
    141,979.23/213,050.25 = 57,723.84/x
  3. Step 3: Cross multiply
    141,979.23x = 213,050.25 × 57,723.84
  4. Step 4: Simplify right side
    141,979.23x = 12,298,078,542.96
  5. Step 5: Solve for x
    x = 12,298,078,542.96/141,979.23
  6. Step 6: Final answer
    x = 86,618.86

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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.