Finding the Fourth Proportional to 73,943.99, 102,126.87 and 49,702.87
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Solution
The fourth proportional to 73,943.99, 102,126.87 and 49,702.87 is: 68,646.53
Step by Step Solution
- Step 1: Write the proportion equation
73,943.99 : 102,126.87 = 49,702.87 : x - Step 2: Convert to fraction form
73,943.99/102,126.87 = 49,702.87/x - Step 3: Cross multiply
73,943.99x = 102,126.87 × 49,702.87 - Step 4: Simplify right side
73,943.99x = 5,075,998,287.80 - Step 5: Solve for x
x = 5,075,998,287.80/73,943.99 - Step 6: Final answer
x = 68,646.53
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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.