Home / 85,540.61-118,050.53-51,559.89

Finding the Fourth Proportional to 85,540.61, 118,050.53 and 51,559.89

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Solution

The fourth proportional to 85,540.61, 118,050.53 and 51,559.89 is: 71,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,540.61 : 118,050.53 = 51,559.89 : x
  2. Step 2: Convert to fraction form
    85,540.61/118,050.53 = 51,559.89/x
  3. Step 3: Cross multiply
    85,540.61x = 118,050.53 × 51,559.89
  4. Step 4: Simplify right side
    85,540.61x = 6,086,672,083.44
  5. Step 5: Solve for x
    x = 6,086,672,083.44/85,540.61
  6. Step 6: Final answer
    x = 71,155.35

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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.