Home / 46,391.63-64,072.61-31,257.79

Finding the Fourth Proportional to 46,391.63, 64,072.61 and 31,257.79

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Solution

The fourth proportional to 46,391.63, 64,072.61 and 31,257.79 is: 43,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,391.63 : 64,072.61 = 31,257.79 : x
  2. Step 2: Convert to fraction form
    46,391.63/64,072.61 = 31,257.79/x
  3. Step 3: Cross multiply
    46,391.63x = 64,072.61 × 31,257.79
  4. Step 4: Simplify right side
    46,391.63x = 2,002,768,031.84
  5. Step 5: Solve for x
    x = 2,002,768,031.84/46,391.63
  6. Step 6: Final answer
    x = 43,170.89

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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.