Home / 68,677.36-94,779.58-40,003.96

Finding the Fourth Proportional to 68,677.36, 94,779.58 and 40,003.96

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Solution

The fourth proportional to 68,677.36, 94,779.58 and 40,003.96 is: 55,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,677.36 : 94,779.58 = 40,003.96 : x
  2. Step 2: Convert to fraction form
    68,677.36/94,779.58 = 40,003.96/x
  3. Step 3: Cross multiply
    68,677.36x = 94,779.58 × 40,003.96
  4. Step 4: Simplify right side
    68,677.36x = 3,791,558,527.14
  5. Step 5: Solve for x
    x = 3,791,558,527.14/68,677.36
  6. Step 6: Final answer
    x = 55,208.27

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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.