Finding the Fourth Proportional to 88,859.72, 133,223.74 and 53,791.08
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Solution
The fourth proportional to 88,859.72, 133,223.74 and 53,791.08 is: 80,646.76
Step by Step Solution
- Step 1: Write the proportion equation
88,859.72 : 133,223.74 = 53,791.08 : x - Step 2: Convert to fraction form
88,859.72/133,223.74 = 53,791.08/x - Step 3: Cross multiply
88,859.72x = 133,223.74 × 53,791.08 - Step 4: Simplify right side
88,859.72x = 7,166,248,856.24 - Step 5: Solve for x
x = 7,166,248,856.24/88,859.72 - Step 6: Final answer
x = 80,646.76
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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.