Finding the Fourth Proportional to 85,154.68, 117,492.73 and 56,080.05
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Solution
The fourth proportional to 85,154.68, 117,492.73 and 56,080.05 is: 77,376.82
Step by Step Solution
- Step 1: Write the proportion equation
85,154.68 : 117,492.73 = 56,080.05 : x - Step 2: Convert to fraction form
85,154.68/117,492.73 = 56,080.05/x - Step 3: Cross multiply
85,154.68x = 117,492.73 × 56,080.05 - Step 4: Simplify right side
85,154.68x = 6,588,998,173.04 - Step 5: Solve for x
x = 6,588,998,173.04/85,154.68 - Step 6: Final answer
x = 77,376.82
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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.