Finding the Fourth Proportional to 75,763.04, 104,553.74 and 41,772.74
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Solution
The fourth proportional to 75,763.04, 104,553.74 and 41,772.74 is: 57,646.79
Step by Step Solution
- Step 1: Write the proportion equation
75,763.04 : 104,553.74 = 41,772.74 : x - Step 2: Convert to fraction form
75,763.04/104,553.74 = 41,772.74/x - Step 3: Cross multiply
75,763.04x = 104,553.74 × 41,772.74 - Step 4: Simplify right side
75,763.04x = 4,367,495,988.18 - Step 5: Solve for x
x = 4,367,495,988.18/75,763.04 - Step 6: Final answer
x = 57,646.79
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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.