Home / 69,419.12-104,127.76-16,829.08

Finding the Fourth Proportional to 69,419.12, 104,127.76 and 16,829.08

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Solution

The fourth proportional to 69,419.12, 104,127.76 and 16,829.08 is: 25,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,419.12 : 104,127.76 = 16,829.08 : x
  2. Step 2: Convert to fraction form
    69,419.12/104,127.76 = 16,829.08/x
  3. Step 3: Cross multiply
    69,419.12x = 104,127.76 × 16,829.08
  4. Step 4: Simplify right side
    69,419.12x = 1,752,374,403.26
  5. Step 5: Solve for x
    x = 1,752,374,403.26/69,419.12
  6. Step 6: Final answer
    x = 25,243.40

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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.