Home / 53,709.61-74,121.36-36,749.42

Finding the Fourth Proportional to 53,709.61, 74,121.36 and 36,749.42

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Solution

The fourth proportional to 53,709.61, 74,121.36 and 36,749.42 is: 50,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,709.61 : 74,121.36 = 36,749.42 : x
  2. Step 2: Convert to fraction form
    53,709.61/74,121.36 = 36,749.42/x
  3. Step 3: Cross multiply
    53,709.61x = 74,121.36 × 36,749.42
  4. Step 4: Simplify right side
    53,709.61x = 2,723,917,174.91
  5. Step 5: Solve for x
    x = 2,723,917,174.91/53,709.61
  6. Step 6: Final answer
    x = 50,715.64

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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.