Home / 53,199.67-73,420.72-39,747.57

Finding the Fourth Proportional to 53,199.67, 73,420.72 and 39,747.57

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Solution

The fourth proportional to 53,199.67, 73,420.72 and 39,747.57 is: 54,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,199.67 : 73,420.72 = 39,747.57 : x
  2. Step 2: Convert to fraction form
    53,199.67/73,420.72 = 39,747.57/x
  3. Step 3: Cross multiply
    53,199.67x = 73,420.72 × 39,747.57
  4. Step 4: Simplify right side
    53,199.67x = 2,918,295,207.65
  5. Step 5: Solve for x
    x = 2,918,295,207.65/53,199.67
  6. Step 6: Final answer
    x = 54,855.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.