Finding the Fourth Proportional to 97,091.87, 133,948.28 and 59,387.99
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Solution
The fourth proportional to 97,091.87, 133,948.28 and 59,387.99 is: 81,931.88
Step by Step Solution
- Step 1: Write the proportion equation
97,091.87 : 133,948.28 = 59,387.99 : x - Step 2: Convert to fraction form
97,091.87/133,948.28 = 59,387.99/x - Step 3: Cross multiply
97,091.87x = 133,948.28 × 59,387.99 - Step 4: Simplify right side
97,091.87x = 7,954,918,591.89 - Step 5: Solve for x
x = 7,954,918,591.89/97,091.87 - Step 6: Final answer
x = 81,931.88
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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.