Home / 85,181.24-117,550.08-49,392.08

Finding the Fourth Proportional to 85,181.24, 117,550.08 and 49,392.08

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Solution

The fourth proportional to 85,181.24, 117,550.08 and 49,392.08 is: 68,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,181.24 : 117,550.08 = 49,392.08 : x
  2. Step 2: Convert to fraction form
    85,181.24/117,550.08 = 49,392.08/x
  3. Step 3: Cross multiply
    85,181.24x = 117,550.08 × 49,392.08
  4. Step 4: Simplify right side
    85,181.24x = 5,806,042,955.37
  5. Step 5: Solve for x
    x = 5,806,042,955.37/85,181.24
  6. Step 6: Final answer
    x = 68,161.05

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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.