Home / 53,861.36-80,666.64-51,992.96

Finding the Fourth Proportional to 53,861.36, 80,666.64 and 51,992.96

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Solution

The fourth proportional to 53,861.36, 80,666.64 and 51,992.96 is: 77,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.36 : 80,666.64 = 51,992.96 : x
  2. Step 2: Convert to fraction form
    53,861.36/80,666.64 = 51,992.96/x
  3. Step 3: Cross multiply
    53,861.36x = 80,666.64 × 51,992.96
  4. Step 4: Simplify right side
    53,861.36x = 4,194,097,386.85
  5. Step 5: Solve for x
    x = 4,194,097,386.85/53,861.36
  6. Step 6: Final answer
    x = 77,868.39

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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.