Home / 85,654.10-118,199.63-47,413.73

Finding the Fourth Proportional to 85,654.10, 118,199.63 and 47,413.73

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Solution

The fourth proportional to 85,654.10, 118,199.63 and 47,413.73 is: 65,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,654.10 : 118,199.63 = 47,413.73 : x
  2. Step 2: Convert to fraction form
    85,654.10/118,199.63 = 47,413.73/x
  3. Step 3: Cross multiply
    85,654.10x = 118,199.63 × 47,413.73
  4. Step 4: Simplify right side
    85,654.10x = 5,604,284,514.85
  5. Step 5: Solve for x
    x = 5,604,284,514.85/85,654.10
  6. Step 6: Final answer
    x = 65,429.27

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1.5x scale

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.