Home / 75,623.64-113,431.32-23,028.72

Finding the Fourth Proportional to 75,623.64, 113,431.32 and 23,028.72

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Solution

The fourth proportional to 75,623.64, 113,431.32 and 23,028.72 is: 34,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.64 : 113,431.32 = 23,028.72 : x
  2. Step 2: Convert to fraction form
    75,623.64/113,431.32 = 23,028.72/x
  3. Step 3: Cross multiply
    75,623.64x = 113,431.32 × 23,028.72
  4. Step 4: Simplify right side
    75,623.64x = 2,612,178,107.51
  5. Step 5: Solve for x
    x = 2,612,178,107.51/75,623.64
  6. Step 6: Final answer
    x = 34,541.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.