Home / 81,348.07-112,262.69-45,537.87

Finding the Fourth Proportional to 81,348.07, 112,262.69 and 45,537.87

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Solution

The fourth proportional to 81,348.07, 112,262.69 and 45,537.87 is: 62,843.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,348.07 : 112,262.69 = 45,537.87 : x
  2. Step 2: Convert to fraction form
    81,348.07/112,262.69 = 45,537.87/x
  3. Step 3: Cross multiply
    81,348.07x = 112,262.69 × 45,537.87
  4. Step 4: Simplify right side
    81,348.07x = 5,112,203,783.07
  5. Step 5: Solve for x
    x = 5,112,203,783.07/81,348.07
  6. Step 6: Final answer
    x = 62,843.58

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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.