Finding the Fourth Proportional to 98,094.36, 135,368.93 and 57,809.82
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Solution
The fourth proportional to 98,094.36, 135,368.93 and 57,809.82 is: 79,776.79
Step by Step Solution
- Step 1: Write the proportion equation
98,094.36 : 135,368.93 = 57,809.82 : x - Step 2: Convert to fraction form
98,094.36/135,368.93 = 57,809.82/x - Step 3: Cross multiply
98,094.36x = 135,368.93 × 57,809.82 - Step 4: Simplify right side
98,094.36x = 7,825,653,187.84 - Step 5: Solve for x
x = 7,825,653,187.84/98,094.36 - Step 6: Final answer
x = 79,776.79
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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.