Finding the Fourth Proportional to 88,125.70, 132,188.55 and 53,133.70
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Solution
The fourth proportional to 88,125.70, 132,188.55 and 53,133.70 is: 79,700.55
Step by Step Solution
- Step 1: Write the proportion equation
88,125.70 : 132,188.55 = 53,133.70 : x - Step 2: Convert to fraction form
88,125.70/132,188.55 = 53,133.70/x - Step 3: Cross multiply
88,125.70x = 132,188.55 × 53,133.70 - Step 4: Simplify right side
88,125.70x = 7,023,666,759.14 - Step 5: Solve for x
x = 7,023,666,759.14/88,125.70 - Step 6: Final answer
x = 79,700.55
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1.5x scale
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.