Home / 66,772.10-92,146.58-36,556.91

Finding the Fourth Proportional to 66,772.10, 92,146.58 and 36,556.91

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Solution

The fourth proportional to 66,772.10, 92,146.58 and 36,556.91 is: 50,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,772.10 : 92,146.58 = 36,556.91 : x
  2. Step 2: Convert to fraction form
    66,772.10/92,146.58 = 36,556.91/x
  3. Step 3: Cross multiply
    66,772.10x = 92,146.58 × 36,556.91
  4. Step 4: Simplify right side
    66,772.10x = 3,368,594,231.87
  5. Step 5: Solve for x
    x = 3,368,594,231.87/66,772.10
  6. Step 6: Final answer
    x = 50,449.13

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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.