Home / 36,071.67-54,113.33-11,111.72

Finding the Fourth Proportional to 36,071.67, 54,113.33 and 11,111.72

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Solution

The fourth proportional to 36,071.67, 54,113.33 and 11,111.72 is: 16,669.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.67 : 54,113.33 = 11,111.72 : x
  2. Step 2: Convert to fraction form
    36,071.67/54,113.33 = 11,111.72/x
  3. Step 3: Cross multiply
    36,071.67x = 54,113.33 × 11,111.72
  4. Step 4: Simplify right side
    36,071.67x = 601,291,845.10
  5. Step 5: Solve for x
    x = 601,291,845.10/36,071.67
  6. Step 6: Final answer
    x = 16,669.37

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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.