Finding the Fourth Proportional to 75,511.40, 104,206.12 and 41,522.08
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Solution
The fourth proportional to 75,511.40, 104,206.12 and 41,522.08 is: 57,300.68
Step by Step Solution
- Step 1: Write the proportion equation
75,511.40 : 104,206.12 = 41,522.08 : x - Step 2: Convert to fraction form
75,511.40/104,206.12 = 41,522.08/x - Step 3: Cross multiply
75,511.40x = 104,206.12 × 41,522.08 - Step 4: Simplify right side
75,511.40x = 4,326,854,486.81 - Step 5: Solve for x
x = 4,326,854,486.81/75,511.40 - Step 6: Final answer
x = 57,300.68
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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.