Finding the Fourth Proportional to 75,623.68, 113,237.34 and 53,316.28
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Solution
The fourth proportional to 75,623.68, 113,237.34 and 53,316.28 is: 79,834.70
Step by Step Solution
- Step 1: Write the proportion equation
75,623.68 : 113,237.34 = 53,316.28 : x - Step 2: Convert to fraction form
75,623.68/113,237.34 = 53,316.28/x - Step 3: Cross multiply
75,623.68x = 113,237.34 × 53,316.28 - Step 4: Simplify right side
75,623.68x = 6,037,393,725.90 - Step 5: Solve for x
x = 6,037,393,725.90/75,623.68 - Step 6: Final answer
x = 79,834.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.