Home / 85,852.58-118,480.35-47,609.54

Finding the Fourth Proportional to 85,852.58, 118,480.35 and 47,609.54

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Solution

The fourth proportional to 85,852.58, 118,480.35 and 47,609.54 is: 65,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,852.58 : 118,480.35 = 47,609.54 : x
  2. Step 2: Convert to fraction form
    85,852.58/118,480.35 = 47,609.54/x
  3. Step 3: Cross multiply
    85,852.58x = 118,480.35 × 47,609.54
  4. Step 4: Simplify right side
    85,852.58x = 5,640,794,992.97
  5. Step 5: Solve for x
    x = 5,640,794,992.97/85,852.58
  6. Step 6: Final answer
    x = 65,703.27

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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.