Home / 53,231.00-79,680.42-39,206.86

Finding the Fourth Proportional to 53,231.00, 79,680.42 and 39,206.86

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Solution

The fourth proportional to 53,231.00, 79,680.42 and 39,206.86 is: 58,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.00 : 79,680.42 = 39,206.86 : x
  2. Step 2: Convert to fraction form
    53,231.00/79,680.42 = 39,206.86/x
  3. Step 3: Cross multiply
    53,231.00x = 79,680.42 × 39,206.86
  4. Step 4: Simplify right side
    53,231.00x = 3,124,018,875.65
  5. Step 5: Solve for x
    x = 3,124,018,875.65/53,231.00
  6. Step 6: Final answer
    x = 58,687.96

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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.