Home / 81,445.06-112,383.74-45,626.26

Finding the Fourth Proportional to 81,445.06, 112,383.74 and 45,626.26

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Solution

The fourth proportional to 81,445.06, 112,383.74 and 45,626.26 is: 62,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,445.06 : 112,383.74 = 45,626.26 : x
  2. Step 2: Convert to fraction form
    81,445.06/112,383.74 = 45,626.26/x
  3. Step 3: Cross multiply
    81,445.06x = 112,383.74 × 45,626.26
  4. Step 4: Simplify right side
    81,445.06x = 5,127,649,741.01
  5. Step 5: Solve for x
    x = 5,127,649,741.01/81,445.06
  6. Step 6: Final answer
    x = 62,958.39

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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.