Home / 85,093.12-117,441.56-51,120.48

Finding the Fourth Proportional to 85,093.12, 117,441.56 and 51,120.48

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Solution

The fourth proportional to 85,093.12, 117,441.56 and 51,120.48 is: 70,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,093.12 : 117,441.56 = 51,120.48 : x
  2. Step 2: Convert to fraction form
    85,093.12/117,441.56 = 51,120.48/x
  3. Step 3: Cross multiply
    85,093.12x = 117,441.56 × 51,120.48
  4. Step 4: Simplify right side
    85,093.12x = 6,003,668,919.15
  5. Step 5: Solve for x
    x = 6,003,668,919.15/85,093.12
  6. Step 6: Final answer
    x = 70,554.10

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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.