Home / 75,409.12-104,066.77-43,148.98

Finding the Fourth Proportional to 75,409.12, 104,066.77 and 43,148.98

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Solution

The fourth proportional to 75,409.12, 104,066.77 and 43,148.98 is: 59,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,409.12 : 104,066.77 = 43,148.98 : x
  2. Step 2: Convert to fraction form
    75,409.12/104,066.77 = 43,148.98/x
  3. Step 3: Cross multiply
    75,409.12x = 104,066.77 × 43,148.98
  4. Step 4: Simplify right side
    75,409.12x = 4,490,374,609.36
  5. Step 5: Solve for x
    x = 4,490,374,609.36/75,409.12
  6. Step 6: Final answer
    x = 59,546.84

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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.