Finding the Fourth Proportional to 96,980.06, 133,837.02 and 53,959.79
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Solution
The fourth proportional to 96,980.06, 133,837.02 and 53,959.79 is: 74,467.03
Step by Step Solution
- Step 1: Write the proportion equation
96,980.06 : 133,837.02 = 53,959.79 : x - Step 2: Convert to fraction form
96,980.06/133,837.02 = 53,959.79/x - Step 3: Cross multiply
96,980.06x = 133,837.02 × 53,959.79 - Step 4: Simplify right side
96,980.06x = 7,221,816,824.24 - Step 5: Solve for x
x = 7,221,816,824.24/96,980.06 - Step 6: Final answer
x = 74,467.03
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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.