Home / 88,661.12-122,350.05-48,375.16

Finding the Fourth Proportional to 88,661.12, 122,350.05 and 48,375.16

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Solution

The fourth proportional to 88,661.12, 122,350.05 and 48,375.16 is: 66,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,661.12 : 122,350.05 = 48,375.16 : x
  2. Step 2: Convert to fraction form
    88,661.12/122,350.05 = 48,375.16/x
  3. Step 3: Cross multiply
    88,661.12x = 122,350.05 × 48,375.16
  4. Step 4: Simplify right side
    88,661.12x = 5,918,702,938.88
  5. Step 5: Solve for x
    x = 5,918,702,938.88/88,661.12
  6. Step 6: Final answer
    x = 66,756.47

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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.