Home / 85,828-118,433.04-48,096.80

Finding the Fourth Proportional to 85,828, 118,433.04 and 48,096.80

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Solution

The fourth proportional to 85,828, 118,433.04 and 48,096.80 is: 66,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,828 : 118,433.04 = 48,096.80 : x
  2. Step 2: Convert to fraction form
    85,828/118,433.04 = 48,096.80/x
  3. Step 3: Cross multiply
    85,828x = 118,433.04 × 48,096.80
  4. Step 4: Simplify right side
    85,828x = 5,696,250,238.27
  5. Step 5: Solve for x
    x = 5,696,250,238.27/85,828
  6. Step 6: Final answer
    x = 66,368.20

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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.