Finding the Fourth Proportional to 96,843.74, 133,643.88 and 53,823.02
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Solution
The fourth proportional to 96,843.74, 133,643.88 and 53,823.02 is: 74,275.50
Step by Step Solution
- Step 1: Write the proportion equation
96,843.74 : 133,643.88 = 53,823.02 : x - Step 2: Convert to fraction form
96,843.74/133,643.88 = 53,823.02/x - Step 3: Cross multiply
96,843.74x = 133,643.88 × 53,823.02 - Step 4: Simplify right side
96,843.74x = 7,193,116,557.90 - Step 5: Solve for x
x = 7,193,116,557.90/96,843.74 - Step 6: Final answer
x = 74,275.50
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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.