Home / 85,866.04-118,435.26-82,975.96

Finding the Fourth Proportional to 85,866.04, 118,435.26 and 82,975.96

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Solution

The fourth proportional to 85,866.04, 118,435.26 and 82,975.96 is: 114,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,866.04 : 118,435.26 = 82,975.96 : x
  2. Step 2: Convert to fraction form
    85,866.04/118,435.26 = 82,975.96/x
  3. Step 3: Cross multiply
    85,866.04x = 118,435.26 × 82,975.96
  4. Step 4: Simplify right side
    85,866.04x = 9,827,279,396.35
  5. Step 5: Solve for x
    x = 9,827,279,396.35/85,866.04
  6. Step 6: Final answer
    x = 114,448.96

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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.