Finding the Fourth Proportional to 87,877.26, 121,270.02 and 47,590.08
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Solution
The fourth proportional to 87,877.26, 121,270.02 and 47,590.08 is: 65,673.99
Step by Step Solution
- Step 1: Write the proportion equation
87,877.26 : 121,270.02 = 47,590.08 : x - Step 2: Convert to fraction form
87,877.26/121,270.02 = 47,590.08/x - Step 3: Cross multiply
87,877.26x = 121,270.02 × 47,590.08 - Step 4: Simplify right side
87,877.26x = 5,771,249,953.40 - Step 5: Solve for x
x = 5,771,249,953.40/87,877.26 - Step 6: Final answer
x = 65,673.99
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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.