Home / 82,815.93-114,285.96-45,090.18

Finding the Fourth Proportional to 82,815.93, 114,285.96 and 45,090.18

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Solution

The fourth proportional to 82,815.93, 114,285.96 and 45,090.18 is: 62,224.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,815.93 : 114,285.96 = 45,090.18 : x
  2. Step 2: Convert to fraction form
    82,815.93/114,285.96 = 45,090.18/x
  3. Step 3: Cross multiply
    82,815.93x = 114,285.96 × 45,090.18
  4. Step 4: Simplify right side
    82,815.93x = 5,153,174,507.87
  5. Step 5: Solve for x
    x = 5,153,174,507.87/82,815.93
  6. Step 6: Final answer
    x = 62,224.44

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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.