Finding the Fourth Proportional to 69,662.19, 104,460.34 and 26,987.60
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Solution
The fourth proportional to 69,662.19, 104,460.34 and 26,987.60 is: 40,468.65
Step by Step Solution
- Step 1: Write the proportion equation
69,662.19 : 104,460.34 = 26,987.60 : x - Step 2: Convert to fraction form
69,662.19/104,460.34 = 26,987.60/x - Step 3: Cross multiply
69,662.19x = 104,460.34 × 26,987.60 - Step 4: Simplify right side
69,662.19x = 2,819,134,462.24 - Step 5: Solve for x
x = 2,819,134,462.24/69,662.19 - Step 6: Final answer
x = 40,468.65
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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.