Home / 85,470.12-117,924.75-49,169.67

Finding the Fourth Proportional to 85,470.12, 117,924.75 and 49,169.67

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Solution

The fourth proportional to 85,470.12, 117,924.75 and 49,169.67 is: 67,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,470.12 : 117,924.75 = 49,169.67 : x
  2. Step 2: Convert to fraction form
    85,470.12/117,924.75 = 49,169.67/x
  3. Step 3: Cross multiply
    85,470.12x = 117,924.75 × 49,169.67
  4. Step 4: Simplify right side
    85,470.12x = 5,798,321,042.33
  5. Step 5: Solve for x
    x = 5,798,321,042.33/85,470.12
  6. Step 6: Final answer
    x = 67,840.33

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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.