Home / 53,913.51-80,771.72-39,085.65

Finding the Fourth Proportional to 53,913.51, 80,771.72 and 39,085.65

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Solution

The fourth proportional to 53,913.51, 80,771.72 and 39,085.65 is: 58,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,913.51 : 80,771.72 = 39,085.65 : x
  2. Step 2: Convert to fraction form
    53,913.51/80,771.72 = 39,085.65/x
  3. Step 3: Cross multiply
    53,913.51x = 80,771.72 × 39,085.65
  4. Step 4: Simplify right side
    53,913.51x = 3,157,014,982.39
  5. Step 5: Solve for x
    x = 3,157,014,982.39/53,913.51
  6. Step 6: Final answer
    x = 58,557.03

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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.