Home / 53,051.13-79,576.74-13,608.25

Finding the Fourth Proportional to 53,051.13, 79,576.74 and 13,608.25

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Solution

The fourth proportional to 53,051.13, 79,576.74 and 13,608.25 is: 20,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,051.13 : 79,576.74 = 13,608.25 : x
  2. Step 2: Convert to fraction form
    53,051.13/79,576.74 = 13,608.25/x
  3. Step 3: Cross multiply
    53,051.13x = 79,576.74 × 13,608.25
  4. Step 4: Simplify right side
    53,051.13x = 1,082,899,973.16
  5. Step 5: Solve for x
    x = 1,082,899,973.16/53,051.13
  6. Step 6: Final answer
    x = 20,412.38

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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.