Home / 66,029.50-91,120.86-37,735.12

Finding the Fourth Proportional to 66,029.50, 91,120.86 and 37,735.12

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Solution

The fourth proportional to 66,029.50, 91,120.86 and 37,735.12 is: 52,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,029.50 : 91,120.86 = 37,735.12 : x
  2. Step 2: Convert to fraction form
    66,029.50/91,120.86 = 37,735.12/x
  3. Step 3: Cross multiply
    66,029.50x = 91,120.86 × 37,735.12
  4. Step 4: Simplify right side
    66,029.50x = 3,438,456,586.60
  5. Step 5: Solve for x
    x = 3,438,456,586.60/66,029.50
  6. Step 6: Final answer
    x = 52,074.55

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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.