Home / 55,302.11-82,953.14-13,749.11

Finding the Fourth Proportional to 55,302.11, 82,953.14 and 13,749.11

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Solution

The fourth proportional to 55,302.11, 82,953.14 and 13,749.11 is: 20,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,302.11 : 82,953.14 = 13,749.11 : x
  2. Step 2: Convert to fraction form
    55,302.11/82,953.14 = 13,749.11/x
  3. Step 3: Cross multiply
    55,302.11x = 82,953.14 × 13,749.11
  4. Step 4: Simplify right side
    55,302.11x = 1,140,531,363.19
  5. Step 5: Solve for x
    x = 1,140,531,363.19/55,302.11
  6. Step 6: Final answer
    x = 20,623.65

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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.