Home / 74,348.63-102,587.87-42,083.09

Finding the Fourth Proportional to 74,348.63, 102,587.87 and 42,083.09

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Solution

The fourth proportional to 74,348.63, 102,587.87 and 42,083.09 is: 58,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,348.63 : 102,587.87 = 42,083.09 : x
  2. Step 2: Convert to fraction form
    74,348.63/102,587.87 = 42,083.09/x
  3. Step 3: Cross multiply
    74,348.63x = 102,587.87 × 42,083.09
  4. Step 4: Simplify right side
    74,348.63x = 4,317,214,566.12
  5. Step 5: Solve for x
    x = 4,317,214,566.12/74,348.63
  6. Step 6: Final answer
    x = 58,067.17

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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.