Finding the Fourth Proportional to 97,063.58, 133,948.70 and 54,043.67
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Solution
The fourth proportional to 97,063.58, 133,948.70 and 54,043.67 is: 74,580.80
Step by Step Solution
- Step 1: Write the proportion equation
97,063.58 : 133,948.70 = 54,043.67 : x - Step 2: Convert to fraction form
97,063.58/133,948.70 = 54,043.67/x - Step 3: Cross multiply
97,063.58x = 133,948.70 × 54,043.67 - Step 4: Simplify right side
97,063.58x = 7,239,079,069.51 - Step 5: Solve for x
x = 7,239,079,069.51/97,063.58 - Step 6: Final answer
x = 74,580.80
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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.