Home / 85,766.67-118,362.33-51,774.62

Finding the Fourth Proportional to 85,766.67, 118,362.33 and 51,774.62

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Solution

The fourth proportional to 85,766.67, 118,362.33 and 51,774.62 is: 71,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,766.67 : 118,362.33 = 51,774.62 : x
  2. Step 2: Convert to fraction form
    85,766.67/118,362.33 = 51,774.62/x
  3. Step 3: Cross multiply
    85,766.67x = 118,362.33 × 51,774.62
  4. Step 4: Simplify right side
    85,766.67x = 6,128,164,066.25
  5. Step 5: Solve for x
    x = 6,128,164,066.25/85,766.67
  6. Step 6: Final answer
    x = 71,451.58

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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.