Home / 85,771.92-118,365.16-48,046.20

Finding the Fourth Proportional to 85,771.92, 118,365.16 and 48,046.20

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Solution

The fourth proportional to 85,771.92, 118,365.16 and 48,046.20 is: 66,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,771.92 : 118,365.16 = 48,046.20 : x
  2. Step 2: Convert to fraction form
    85,771.92/118,365.16 = 48,046.20/x
  3. Step 3: Cross multiply
    85,771.92x = 118,365.16 × 48,046.20
  4. Step 4: Simplify right side
    85,771.92x = 5,686,996,150.39
  5. Step 5: Solve for x
    x = 5,686,996,150.39/85,771.92
  6. Step 6: Final answer
    x = 66,303.71

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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.