Home / 82,194.03-113,427.81-57,058.11

Finding the Fourth Proportional to 82,194.03, 113,427.81 and 57,058.11

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Solution

The fourth proportional to 82,194.03, 113,427.81 and 57,058.11 is: 78,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,194.03 : 113,427.81 = 57,058.11 : x
  2. Step 2: Convert to fraction form
    82,194.03/113,427.81 = 57,058.11/x
  3. Step 3: Cross multiply
    82,194.03x = 113,427.81 × 57,058.11
  4. Step 4: Simplify right side
    82,194.03x = 6,471,976,460.04
  5. Step 5: Solve for x
    x = 6,471,976,460.04/82,194.03
  6. Step 6: Final answer
    x = 78,740.23

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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.