Home / 66,999.37-92,458.67-36,785.21

Finding the Fourth Proportional to 66,999.37, 92,458.67 and 36,785.21

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Solution

The fourth proportional to 66,999.37, 92,458.67 and 36,785.21 is: 50,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,999.37 : 92,458.67 = 36,785.21 : x
  2. Step 2: Convert to fraction form
    66,999.37/92,458.67 = 36,785.21/x
  3. Step 3: Cross multiply
    66,999.37x = 92,458.67 × 36,785.21
  4. Step 4: Simplify right side
    66,999.37x = 3,401,110,946.05
  5. Step 5: Solve for x
    x = 3,401,110,946.05/66,999.37
  6. Step 6: Final answer
    x = 50,763.33

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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.