Finding the Fourth Proportional to 98,070.33, 135,325.89 and 55,043.99
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Solution
The fourth proportional to 98,070.33, 135,325.89 and 55,043.99 is: 75,954.43
Step by Step Solution
- Step 1: Write the proportion equation
98,070.33 : 135,325.89 = 55,043.99 : x - Step 2: Convert to fraction form
98,070.33/135,325.89 = 55,043.99/x - Step 3: Cross multiply
98,070.33x = 135,325.89 × 55,043.99 - Step 4: Simplify right side
98,070.33x = 7,448,876,259.27 - Step 5: Solve for x
x = 7,448,876,259.27/98,070.33 - Step 6: Final answer
x = 75,954.43
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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.