Home / 66,186.48-91,457.46-48,250.20

Finding the Fourth Proportional to 66,186.48, 91,457.46 and 48,250.20

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Solution

The fourth proportional to 66,186.48, 91,457.46 and 48,250.20 is: 66,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,186.48 : 91,457.46 = 48,250.20 : x
  2. Step 2: Convert to fraction form
    66,186.48/91,457.46 = 48,250.20/x
  3. Step 3: Cross multiply
    66,186.48x = 91,457.46 × 48,250.20
  4. Step 4: Simplify right side
    66,186.48x = 4,412,840,736.49
  5. Step 5: Solve for x
    x = 4,412,840,736.49/66,186.48
  6. Step 6: Final answer
    x = 66,672.84

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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.