Home / 75,558.81-104,264.73-43,729.68

Finding the Fourth Proportional to 75,558.81, 104,264.73 and 43,729.68

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Solution

The fourth proportional to 75,558.81, 104,264.73 and 43,729.68 is: 60,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,558.81 : 104,264.73 = 43,729.68 : x
  2. Step 2: Convert to fraction form
    75,558.81/104,264.73 = 43,729.68/x
  3. Step 3: Cross multiply
    75,558.81x = 104,264.73 × 43,729.68
  4. Step 4: Simplify right side
    75,558.81x = 4,559,463,278.19
  5. Step 5: Solve for x
    x = 4,559,463,278.19/75,558.81
  6. Step 6: Final answer
    x = 60,343.24

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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.