Finding the Fourth Proportional to 97,019.43, 133,886.62 and 54,577.99
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Solution
The fourth proportional to 97,019.43, 133,886.62 and 54,577.99 is: 75,317.52
Step by Step Solution
- Step 1: Write the proportion equation
97,019.43 : 133,886.62 = 54,577.99 : x - Step 2: Convert to fraction form
97,019.43/133,886.62 = 54,577.99/x - Step 3: Cross multiply
97,019.43x = 133,886.62 × 54,577.99 - Step 4: Simplify right side
97,019.43x = 7,307,262,607.49 - Step 5: Solve for x
x = 7,307,262,607.49/97,019.43 - Step 6: Final answer
x = 75,317.52
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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.