Home / 75,076.24-103,628.28-43,266.32

Finding the Fourth Proportional to 75,076.24, 103,628.28 and 43,266.32

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Solution

The fourth proportional to 75,076.24, 103,628.28 and 43,266.32 is: 59,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,076.24 : 103,628.28 = 43,266.32 : x
  2. Step 2: Convert to fraction form
    75,076.24/103,628.28 = 43,266.32/x
  3. Step 3: Cross multiply
    75,076.24x = 103,628.28 × 43,266.32
  4. Step 4: Simplify right side
    75,076.24x = 4,483,614,323.53
  5. Step 5: Solve for x
    x = 4,483,614,323.53/75,076.24
  6. Step 6: Final answer
    x = 59,720.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.