Finding the Fourth Proportional to 97,963.40, 146,750.70 and 66,470.60
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Solution
The fourth proportional to 97,963.40, 146,750.70 and 66,470.60 is: 99,573.99
Step by Step Solution
- Step 1: Write the proportion equation
97,963.40 : 146,750.70 = 66,470.60 : x - Step 2: Convert to fraction form
97,963.40/146,750.70 = 66,470.60/x - Step 3: Cross multiply
97,963.40x = 146,750.70 × 66,470.60 - Step 4: Simplify right side
97,963.40x = 9,754,607,079.42 - Step 5: Solve for x
x = 9,754,607,079.42/97,963.40 - Step 6: Final answer
x = 99,573.99
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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.