Home / 85,766.06-118,357.18-48,040.31

Finding the Fourth Proportional to 85,766.06, 118,357.18 and 48,040.31

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Solution

The fourth proportional to 85,766.06, 118,357.18 and 48,040.31 is: 66,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,766.06 : 118,357.18 = 48,040.31 : x
  2. Step 2: Convert to fraction form
    85,766.06/118,357.18 = 48,040.31/x
  3. Step 3: Cross multiply
    85,766.06x = 118,357.18 × 48,040.31
  4. Step 4: Simplify right side
    85,766.06x = 5,685,915,793.72
  5. Step 5: Solve for x
    x = 5,685,915,793.72/85,766.06
  6. Step 6: Final answer
    x = 66,295.64

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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.