Home / 82,918.22-114,427.19-47,108.30

Finding the Fourth Proportional to 82,918.22, 114,427.19 and 47,108.30

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Solution

The fourth proportional to 82,918.22, 114,427.19 and 47,108.30 is: 65,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,918.22 : 114,427.19 = 47,108.30 : x
  2. Step 2: Convert to fraction form
    82,918.22/114,427.19 = 47,108.30/x
  3. Step 3: Cross multiply
    82,918.22x = 114,427.19 × 47,108.30
  4. Step 4: Simplify right side
    82,918.22x = 5,390,470,159.14
  5. Step 5: Solve for x
    x = 5,390,470,159.14/82,918.22
  6. Step 6: Final answer
    x = 65,009.48

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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.