Home / 71,027.38-106,541.27-18,437.32

Finding the Fourth Proportional to 71,027.38, 106,541.27 and 18,437.32

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Solution

The fourth proportional to 71,027.38, 106,541.27 and 18,437.32 is: 27,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,027.38 : 106,541.27 = 18,437.32 : x
  2. Step 2: Convert to fraction form
    71,027.38/106,541.27 = 18,437.32/x
  3. Step 3: Cross multiply
    71,027.38x = 106,541.27 × 18,437.32
  4. Step 4: Simplify right side
    71,027.38x = 1,964,334,863.30
  5. Step 5: Solve for x
    x = 1,964,334,863.30/71,027.38
  6. Step 6: Final answer
    x = 27,656.03

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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.