Home / 85,771.20-118,362.96-48,046.80

Finding the Fourth Proportional to 85,771.20, 118,362.96 and 48,046.80

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Solution

The fourth proportional to 85,771.20, 118,362.96 and 48,046.80 is: 66,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,771.20 : 118,362.96 = 48,046.80 : x
  2. Step 2: Convert to fraction form
    85,771.20/118,362.96 = 48,046.80/x
  3. Step 3: Cross multiply
    85,771.20x = 118,362.96 × 48,046.80
  4. Step 4: Simplify right side
    85,771.20x = 5,686,961,466.53
  5. Step 5: Solve for x
    x = 5,686,961,466.53/85,771.20
  6. Step 6: Final answer
    x = 66,303.86

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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.