Home / 72,948.32-109,427.84-26,201.60

Finding the Fourth Proportional to 72,948.32, 109,427.84 and 26,201.60

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Solution

The fourth proportional to 72,948.32, 109,427.84 and 26,201.60 is: 39,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,948.32 : 109,427.84 = 26,201.60 : x
  2. Step 2: Convert to fraction form
    72,948.32/109,427.84 = 26,201.60/x
  3. Step 3: Cross multiply
    72,948.32x = 109,427.84 × 26,201.60
  4. Step 4: Simplify right side
    72,948.32x = 2,867,184,492.54
  5. Step 5: Solve for x
    x = 2,867,184,492.54/72,948.32
  6. Step 6: Final answer
    x = 39,304.33

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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.