Home / 58,788.06-81,083.07-40,874.10

Finding the Fourth Proportional to 58,788.06, 81,083.07 and 40,874.10

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Solution

The fourth proportional to 58,788.06, 81,083.07 and 40,874.10 is: 56,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,788.06 : 81,083.07 = 40,874.10 : x
  2. Step 2: Convert to fraction form
    58,788.06/81,083.07 = 40,874.10/x
  3. Step 3: Cross multiply
    58,788.06x = 81,083.07 × 40,874.10
  4. Step 4: Simplify right side
    58,788.06x = 3,314,197,511.49
  5. Step 5: Solve for x
    x = 3,314,197,511.49/58,788.06
  6. Step 6: Final answer
    x = 56,375.35

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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.