Home / 88,688.14-122,388.64-48,403.60

Finding the Fourth Proportional to 88,688.14, 122,388.64 and 48,403.60

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Solution

The fourth proportional to 88,688.14, 122,388.64 and 48,403.60 is: 66,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,688.14 : 122,388.64 = 48,403.60 : x
  2. Step 2: Convert to fraction form
    88,688.14/122,388.64 = 48,403.60/x
  3. Step 3: Cross multiply
    88,688.14x = 122,388.64 × 48,403.60
  4. Step 4: Simplify right side
    88,688.14x = 5,924,050,348.12
  5. Step 5: Solve for x
    x = 5,924,050,348.12/88,688.14
  6. Step 6: Final answer
    x = 66,796.42

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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.