Home / 82,883.11-114,378.63-45,157.36

Finding the Fourth Proportional to 82,883.11, 114,378.63 and 45,157.36

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Solution

The fourth proportional to 82,883.11, 114,378.63 and 45,157.36 is: 62,317.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,883.11 : 114,378.63 = 45,157.36 : x
  2. Step 2: Convert to fraction form
    82,883.11/114,378.63 = 45,157.36/x
  3. Step 3: Cross multiply
    82,883.11x = 114,378.63 × 45,157.36
  4. Step 4: Simplify right side
    82,883.11x = 5,165,036,971.22
  5. Step 5: Solve for x
    x = 5,165,036,971.22/82,883.11
  6. Step 6: Final answer
    x = 62,317.12

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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.