Home / 76,623.35-115,004.54-39,209.27

Finding the Fourth Proportional to 76,623.35, 115,004.54 and 39,209.27

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Solution

The fourth proportional to 76,623.35, 115,004.54 and 39,209.27 is: 58,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,623.35 : 115,004.54 = 39,209.27 : x
  2. Step 2: Convert to fraction form
    76,623.35/115,004.54 = 39,209.27/x
  3. Step 3: Cross multiply
    76,623.35x = 115,004.54 × 39,209.27
  4. Step 4: Simplify right side
    76,623.35x = 4,509,243,583.09
  5. Step 5: Solve for x
    x = 4,509,243,583.09/76,623.35
  6. Step 6: Final answer
    x = 58,849.47

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1.5x scale

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.