Home / 88,842.64-122,591.04-57,054.60

Finding the Fourth Proportional to 88,842.64, 122,591.04 and 57,054.60

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Solution

The fourth proportional to 88,842.64, 122,591.04 and 57,054.60 is: 78,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,842.64 : 122,591.04 = 57,054.60 : x
  2. Step 2: Convert to fraction form
    88,842.64/122,591.04 = 57,054.60/x
  3. Step 3: Cross multiply
    88,842.64x = 122,591.04 × 57,054.60
  4. Step 4: Simplify right side
    88,842.64x = 6,994,382,750.78
  5. Step 5: Solve for x
    x = 6,994,382,750.78/88,842.64
  6. Step 6: Final answer
    x = 78,727.77

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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.