Home / 88,078.68-121,546.44-50,350.50

Finding the Fourth Proportional to 88,078.68, 121,546.44 and 50,350.50

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Solution

The fourth proportional to 88,078.68, 121,546.44 and 50,350.50 is: 69,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,078.68 : 121,546.44 = 50,350.50 : x
  2. Step 2: Convert to fraction form
    88,078.68/121,546.44 = 50,350.50/x
  3. Step 3: Cross multiply
    88,078.68x = 121,546.44 × 50,350.50
  4. Step 4: Simplify right side
    88,078.68x = 6,119,924,027.22
  5. Step 5: Solve for x
    x = 6,119,924,027.22/88,078.68
  6. Step 6: Final answer
    x = 69,482.47

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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.