Home / 85,913.55-118,561.33-47,673.24

Finding the Fourth Proportional to 85,913.55, 118,561.33 and 47,673.24

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Solution

The fourth proportional to 85,913.55, 118,561.33 and 47,673.24 is: 65,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,913.55 : 118,561.33 = 47,673.24 : x
  2. Step 2: Convert to fraction form
    85,913.55/118,561.33 = 47,673.24/x
  3. Step 3: Cross multiply
    85,913.55x = 118,561.33 × 47,673.24
  4. Step 4: Simplify right side
    85,913.55x = 5,652,202,501.44
  5. Step 5: Solve for x
    x = 5,652,202,501.44/85,913.55
  6. Step 6: Final answer
    x = 65,789.42

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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.