Home / 76,922.56-106,152.96-43,388.32

Finding the Fourth Proportional to 76,922.56, 106,152.96 and 43,388.32

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Solution

The fourth proportional to 76,922.56, 106,152.96 and 43,388.32 is: 59,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,922.56 : 106,152.96 = 43,388.32 : x
  2. Step 2: Convert to fraction form
    76,922.56/106,152.96 = 43,388.32/x
  3. Step 3: Cross multiply
    76,922.56x = 106,152.96 × 43,388.32
  4. Step 4: Simplify right side
    76,922.56x = 4,605,798,597.43
  5. Step 5: Solve for x
    x = 4,605,798,597.43/76,922.56
  6. Step 6: Final answer
    x = 59,875.78

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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.