Home / 82,980.22-114,508.20-47,165.26

Finding the Fourth Proportional to 82,980.22, 114,508.20 and 47,165.26

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Solution

The fourth proportional to 82,980.22, 114,508.20 and 47,165.26 is: 65,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,980.22 : 114,508.20 = 47,165.26 : x
  2. Step 2: Convert to fraction form
    82,980.22/114,508.20 = 47,165.26/x
  3. Step 3: Cross multiply
    82,980.22x = 114,508.20 × 47,165.26
  4. Step 4: Simplify right side
    82,980.22x = 5,400,809,025.13
  5. Step 5: Solve for x
    x = 5,400,809,025.13/82,980.22
  6. Step 6: Final answer
    x = 65,085.50

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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.