Home / 75,606.66-104,330.40-43,777.70

Finding the Fourth Proportional to 75,606.66, 104,330.40 and 43,777.70

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Solution

The fourth proportional to 75,606.66, 104,330.40 and 43,777.70 is: 60,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,606.66 : 104,330.40 = 43,777.70 : x
  2. Step 2: Convert to fraction form
    75,606.66/104,330.40 = 43,777.70/x
  3. Step 3: Cross multiply
    75,606.66x = 104,330.40 × 43,777.70
  4. Step 4: Simplify right side
    75,606.66x = 4,567,344,952.08
  5. Step 5: Solve for x
    x = 4,567,344,952.08/75,606.66
  6. Step 6: Final answer
    x = 60,409.29

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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.