Home / 85,675.37-118,244.46-49,369.75

Finding the Fourth Proportional to 85,675.37, 118,244.46 and 49,369.75

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Solution

The fourth proportional to 85,675.37, 118,244.46 and 49,369.75 is: 68,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,675.37 : 118,244.46 = 49,369.75 : x
  2. Step 2: Convert to fraction form
    85,675.37/118,244.46 = 49,369.75/x
  3. Step 3: Cross multiply
    85,675.37x = 118,244.46 × 49,369.75
  4. Step 4: Simplify right side
    85,675.37x = 5,837,698,957.76
  5. Step 5: Solve for x
    x = 5,837,698,957.76/85,675.37
  6. Step 6: Final answer
    x = 68,137.42

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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.