Home / 88,457.56-122,072.13-48,171.50

Finding the Fourth Proportional to 88,457.56, 122,072.13 and 48,171.50

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Solution

The fourth proportional to 88,457.56, 122,072.13 and 48,171.50 is: 66,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,457.56 : 122,072.13 = 48,171.50 : x
  2. Step 2: Convert to fraction form
    88,457.56/122,072.13 = 48,171.50/x
  3. Step 3: Cross multiply
    88,457.56x = 122,072.13 × 48,171.50
  4. Step 4: Simplify right side
    88,457.56x = 5,880,397,369.44
  5. Step 5: Solve for x
    x = 5,880,397,369.44/88,457.56
  6. Step 6: Final answer
    x = 66,477.05

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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.