Home / 85,614.22-118,120.84-51,633.10

Finding the Fourth Proportional to 85,614.22, 118,120.84 and 51,633.10

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Solution

The fourth proportional to 85,614.22, 118,120.84 and 51,633.10 is: 71,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,614.22 : 118,120.84 = 51,633.10 : x
  2. Step 2: Convert to fraction form
    85,614.22/118,120.84 = 51,633.10/x
  3. Step 3: Cross multiply
    85,614.22x = 118,120.84 × 51,633.10
  4. Step 4: Simplify right side
    85,614.22x = 6,098,945,143.80
  5. Step 5: Solve for x
    x = 6,098,945,143.80/85,614.22
  6. Step 6: Final answer
    x = 71,237.53

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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.