Finding the Fourth Proportional to 70,631.25, 105,937.44 and 26,251.98
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Solution
The fourth proportional to 70,631.25, 105,937.44 and 26,251.98 is: 39,374.46
Step by Step Solution
- Step 1: Write the proportion equation
70,631.25 : 105,937.44 = 26,251.98 : x - Step 2: Convert to fraction form
70,631.25/105,937.44 = 26,251.98/x - Step 3: Cross multiply
70,631.25x = 105,937.44 × 26,251.98 - Step 4: Simplify right side
70,631.25x = 2,781,067,556.13 - Step 5: Solve for x
x = 2,781,067,556.13/70,631.25 - Step 6: Final answer
x = 39,374.46
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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.