Home / 85,823-118,443.03-48,104.54

Finding the Fourth Proportional to 85,823, 118,443.03 and 48,104.54

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Solution

The fourth proportional to 85,823, 118,443.03 and 48,104.54 is: 66,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,823 : 118,443.03 = 48,104.54 : x
  2. Step 2: Convert to fraction form
    85,823/118,443.03 = 48,104.54/x
  3. Step 3: Cross multiply
    85,823x = 118,443.03 × 48,104.54
  4. Step 4: Simplify right side
    85,823x = 5,697,647,474.36
  5. Step 5: Solve for x
    x = 5,697,647,474.36/85,823
  6. Step 6: Final answer
    x = 66,388.35

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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.