Home / 53,516.88-80,252.09-28,551.38

Finding the Fourth Proportional to 53,516.88, 80,252.09 and 28,551.38

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Solution

The fourth proportional to 53,516.88, 80,252.09 and 28,551.38 is: 42,814.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,516.88 : 80,252.09 = 28,551.38 : x
  2. Step 2: Convert to fraction form
    53,516.88/80,252.09 = 28,551.38/x
  3. Step 3: Cross multiply
    53,516.88x = 80,252.09 × 28,551.38
  4. Step 4: Simplify right side
    53,516.88x = 2,291,307,373.37
  5. Step 5: Solve for x
    x = 2,291,307,373.37/53,516.88
  6. Step 6: Final answer
    x = 42,814.67

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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.