Home / 85,504.08-117,995.34-47,778.33

Finding the Fourth Proportional to 85,504.08, 117,995.34 and 47,778.33

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Solution

The fourth proportional to 85,504.08, 117,995.34 and 47,778.33 is: 65,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,504.08 : 117,995.34 = 47,778.33 : x
  2. Step 2: Convert to fraction form
    85,504.08/117,995.34 = 47,778.33/x
  3. Step 3: Cross multiply
    85,504.08x = 117,995.34 × 47,778.33
  4. Step 4: Simplify right side
    85,504.08x = 5,637,620,292.98
  5. Step 5: Solve for x
    x = 5,637,620,292.98/85,504.08
  6. Step 6: Final answer
    x = 65,933.93

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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.