Home / 57,299.69-79,072.33-31,804.56

Finding the Fourth Proportional to 57,299.69, 79,072.33 and 31,804.56

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Solution

The fourth proportional to 57,299.69, 79,072.33 and 31,804.56 is: 43,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,299.69 : 79,072.33 = 31,804.56 : x
  2. Step 2: Convert to fraction form
    57,299.69/79,072.33 = 31,804.56/x
  3. Step 3: Cross multiply
    57,299.69x = 79,072.33 × 31,804.56
  4. Step 4: Simplify right side
    57,299.69x = 2,514,860,663.82
  5. Step 5: Solve for x
    x = 2,514,860,663.82/57,299.69
  6. Step 6: Final answer
    x = 43,889.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.