Finding the Fourth Proportional to 84,248.60, 126,310.52 and 39,823.46
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Solution
The fourth proportional to 84,248.60, 126,310.52 and 39,823.46 is: 59,705.70
Step by Step Solution
- Step 1: Write the proportion equation
84,248.60 : 126,310.52 = 39,823.46 : x - Step 2: Convert to fraction form
84,248.60/126,310.52 = 39,823.46/x - Step 3: Cross multiply
84,248.60x = 126,310.52 × 39,823.46 - Step 4: Simplify right side
84,248.60x = 5,030,121,940.80 - Step 5: Solve for x
x = 5,030,121,940.80/84,248.60 - Step 6: Final answer
x = 59,705.70
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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.