Finding the Fourth Proportional to 96,711.60, 133,453.08 and 54,262.32
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Solution
The fourth proportional to 96,711.60, 133,453.08 and 54,262.32 is: 74,876.99
Step by Step Solution
- Step 1: Write the proportion equation
96,711.60 : 133,453.08 = 54,262.32 : x - Step 2: Convert to fraction form
96,711.60/133,453.08 = 54,262.32/x - Step 3: Cross multiply
96,711.60x = 133,453.08 × 54,262.32 - Step 4: Simplify right side
96,711.60x = 7,241,473,731.95 - Step 5: Solve for x
x = 7,241,473,731.95/96,711.60 - Step 6: Final answer
x = 74,876.99
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1.5x scale
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.