Home / 85,973.06-118,653.76-48,247.31

Finding the Fourth Proportional to 85,973.06, 118,653.76 and 48,247.31

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Solution

The fourth proportional to 85,973.06, 118,653.76 and 48,247.31 is: 66,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,973.06 : 118,653.76 = 48,247.31 : x
  2. Step 2: Convert to fraction form
    85,973.06/118,653.76 = 48,247.31/x
  3. Step 3: Cross multiply
    85,973.06x = 118,653.76 × 48,247.31
  4. Step 4: Simplify right side
    85,973.06x = 5,724,725,098.33
  5. Step 5: Solve for x
    x = 5,724,725,098.33/85,973.06
  6. Step 6: Final answer
    x = 66,587.43

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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.