Home / 88,464.84-122,081.32-48,178.56

Finding the Fourth Proportional to 88,464.84, 122,081.32 and 48,178.56

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Solution

The fourth proportional to 88,464.84, 122,081.32 and 48,178.56 is: 66,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,464.84 : 122,081.32 = 48,178.56 : x
  2. Step 2: Convert to fraction form
    88,464.84/122,081.32 = 48,178.56/x
  3. Step 3: Cross multiply
    88,464.84x = 122,081.32 × 48,178.56
  4. Step 4: Simplify right side
    88,464.84x = 5,881,702,200.50
  5. Step 5: Solve for x
    x = 5,881,702,200.50/88,464.84
  6. Step 6: Final answer
    x = 66,486.33

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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.