Home / 66,536.46-91,816.40-38,242.15

Finding the Fourth Proportional to 66,536.46, 91,816.40 and 38,242.15

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Solution

The fourth proportional to 66,536.46, 91,816.40 and 38,242.15 is: 52,771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,536.46 : 91,816.40 = 38,242.15 : x
  2. Step 2: Convert to fraction form
    66,536.46/91,816.40 = 38,242.15/x
  3. Step 3: Cross multiply
    66,536.46x = 91,816.40 × 38,242.15
  4. Step 4: Simplify right side
    66,536.46x = 3,511,256,407.32
  5. Step 5: Solve for x
    x = 3,511,256,407.32/66,536.46
  6. Step 6: Final answer
    x = 52,771.91

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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.