Home / 85,738.56-118,350.24-69,795.33

Finding the Fourth Proportional to 85,738.56, 118,350.24 and 69,795.33

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Solution

The fourth proportional to 85,738.56, 118,350.24 and 69,795.33 is: 96,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,738.56 : 118,350.24 = 69,795.33 : x
  2. Step 2: Convert to fraction form
    85,738.56/118,350.24 = 69,795.33/x
  3. Step 3: Cross multiply
    85,738.56x = 118,350.24 × 69,795.33
  4. Step 4: Simplify right side
    85,738.56x = 8,260,294,056.38
  5. Step 5: Solve for x
    x = 8,260,294,056.38/85,738.56
  6. Step 6: Final answer
    x = 96,342.81

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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.