Home / 80,546-111,154.98-44,739.32

Finding the Fourth Proportional to 80,546, 111,154.98 and 44,739.32

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Solution

The fourth proportional to 80,546, 111,154.98 and 44,739.32 is: 61,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,546 : 111,154.98 = 44,739.32 : x
  2. Step 2: Convert to fraction form
    80,546/111,154.98 = 44,739.32/x
  3. Step 3: Cross multiply
    80,546x = 111,154.98 × 44,739.32
  4. Step 4: Simplify right side
    80,546x = 4,972,998,219.81
  5. Step 5: Solve for x
    x = 4,972,998,219.81/80,546
  6. Step 6: Final answer
    x = 61,741.09

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Why These Related Problems?

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