Home / 85,735.56-118,346.10-69,792.33

Finding the Fourth Proportional to 85,735.56, 118,346.10 and 69,792.33

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Solution

The fourth proportional to 85,735.56, 118,346.10 and 69,792.33 is: 96,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,735.56 : 118,346.10 = 69,792.33 : x
  2. Step 2: Convert to fraction form
    85,735.56/118,346.10 = 69,792.33/x
  3. Step 3: Cross multiply
    85,735.56x = 118,346.10 × 69,792.33
  4. Step 4: Simplify right side
    85,735.56x = 8,259,650,065.41
  5. Step 5: Solve for x
    x = 8,259,650,065.41/85,735.56
  6. Step 6: Final answer
    x = 96,338.67

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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.