Home / 75,688.22-104,449.78-43,875.60

Finding the Fourth Proportional to 75,688.22, 104,449.78 and 43,875.60

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Solution

The fourth proportional to 75,688.22, 104,449.78 and 43,875.60 is: 60,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,688.22 : 104,449.78 = 43,875.60 : x
  2. Step 2: Convert to fraction form
    75,688.22/104,449.78 = 43,875.60/x
  3. Step 3: Cross multiply
    75,688.22x = 104,449.78 × 43,875.60
  4. Step 4: Simplify right side
    75,688.22x = 4,582,796,767.37
  5. Step 5: Solve for x
    x = 4,582,796,767.37/75,688.22
  6. Step 6: Final answer
    x = 60,548.35

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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.