Finding the Fourth Proportional to 88,142.88, 121,737.33 and 59,412.99
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Solution
The fourth proportional to 88,142.88, 121,737.33 and 59,412.99 is: 82,057.44
Step by Step Solution
- Step 1: Write the proportion equation
88,142.88 : 121,737.33 = 59,412.99 : x - Step 2: Convert to fraction form
88,142.88/121,737.33 = 59,412.99/x - Step 3: Cross multiply
88,142.88x = 121,737.33 × 59,412.99 - Step 4: Simplify right side
88,142.88x = 7,232,779,226.43 - Step 5: Solve for x
x = 7,232,779,226.43/88,142.88 - Step 6: Final answer
x = 82,057.44
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1.5x scale
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.