Home / 85,848.06-118,470.31-47,613.44

Finding the Fourth Proportional to 85,848.06, 118,470.31 and 47,613.44

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Solution

The fourth proportional to 85,848.06, 118,470.31 and 47,613.44 is: 65,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,848.06 : 118,470.31 = 47,613.44 : x
  2. Step 2: Convert to fraction form
    85,848.06/118,470.31 = 47,613.44/x
  3. Step 3: Cross multiply
    85,848.06x = 118,470.31 × 47,613.44
  4. Step 4: Simplify right side
    85,848.06x = 5,640,778,996.97
  5. Step 5: Solve for x
    x = 5,640,778,996.97/85,848.06
  6. Step 6: Final answer
    x = 65,706.54

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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.