Home / 85,735.43-118,372.67-53,519.10

Finding the Fourth Proportional to 85,735.43, 118,372.67 and 53,519.10

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Solution

The fourth proportional to 85,735.43, 118,372.67 and 53,519.10 is: 73,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,735.43 : 118,372.67 = 53,519.10 : x
  2. Step 2: Convert to fraction form
    85,735.43/118,372.67 = 53,519.10/x
  3. Step 3: Cross multiply
    85,735.43x = 118,372.67 × 53,519.10
  4. Step 4: Simplify right side
    85,735.43x = 6,335,198,763.00
  5. Step 5: Solve for x
    x = 6,335,198,763.00/85,735.43
  6. Step 6: Final answer
    x = 73,892.42

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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.