Finding the Fourth Proportional to 102,710.70, 153,936.45 and 50,006.70
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Solution
The fourth proportional to 102,710.70, 153,936.45 and 50,006.70 is: 74,946.95
Step by Step Solution
- Step 1: Write the proportion equation
102,710.70 : 153,936.45 = 50,006.70 : x - Step 2: Convert to fraction form
102,710.70/153,936.45 = 50,006.70/x - Step 3: Cross multiply
102,710.70x = 153,936.45 × 50,006.70 - Step 4: Simplify right side
102,710.70x = 7,697,853,874.22 - Step 5: Solve for x
x = 7,697,853,874.22/102,710.70 - Step 6: Final answer
x = 74,946.95
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1.5x scale
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.