Home / 74,819.63-103,167.37-61,165.06

Finding the Fourth Proportional to 74,819.63, 103,167.37 and 61,165.06

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Solution

The fourth proportional to 74,819.63, 103,167.37 and 61,165.06 is: 84,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,819.63 : 103,167.37 = 61,165.06 : x
  2. Step 2: Convert to fraction form
    74,819.63/103,167.37 = 61,165.06/x
  3. Step 3: Cross multiply
    74,819.63x = 103,167.37 × 61,165.06
  4. Step 4: Simplify right side
    74,819.63x = 6,310,238,194.63
  5. Step 5: Solve for x
    x = 6,310,238,194.63/74,819.63
  6. Step 6: Final answer
    x = 84,339.34

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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.