Finding the Fourth Proportional to 79,047.40, 118,577.34 and 26,457.08
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Solution
The fourth proportional to 79,047.40, 118,577.34 and 26,457.08 is: 39,687.71
Step by Step Solution
- Step 1: Write the proportion equation
79,047.40 : 118,577.34 = 26,457.08 : x - Step 2: Convert to fraction form
79,047.40/118,577.34 = 26,457.08/x - Step 3: Cross multiply
79,047.40x = 118,577.34 × 26,457.08 - Step 4: Simplify right side
79,047.40x = 3,137,210,170.57 - Step 5: Solve for x
x = 3,137,210,170.57/79,047.40 - Step 6: Final answer
x = 39,687.71
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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.