Home / 85,768.79-118,349.84-48,043.04

Finding the Fourth Proportional to 85,768.79, 118,349.84 and 48,043.04

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Solution

The fourth proportional to 85,768.79, 118,349.84 and 48,043.04 is: 66,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,768.79 : 118,349.84 = 48,043.04 : x
  2. Step 2: Convert to fraction form
    85,768.79/118,349.84 = 48,043.04/x
  3. Step 3: Cross multiply
    85,768.79x = 118,349.84 × 48,043.04
  4. Step 4: Simplify right side
    85,768.79x = 5,685,885,625.47
  5. Step 5: Solve for x
    x = 5,685,885,625.47/85,768.79
  6. Step 6: Final answer
    x = 66,293.18

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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.