Finding the Fourth Proportional to 97,877.97, 135,060.21 and 57,582.90
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Solution
The fourth proportional to 97,877.97, 135,060.21 and 57,582.90 is: 79,457.70
Step by Step Solution
- Step 1: Write the proportion equation
97,877.97 : 135,060.21 = 57,582.90 : x - Step 2: Convert to fraction form
97,877.97/135,060.21 = 57,582.90/x - Step 3: Cross multiply
97,877.97x = 135,060.21 × 57,582.90 - Step 4: Simplify right side
97,877.97x = 7,777,158,566.41 - Step 5: Solve for x
x = 7,777,158,566.41/97,877.97 - Step 6: Final answer
x = 79,457.70
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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.