Finding the Fourth Proportional to 99,701.89, 149,581.08 and 40,579.99
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Solution
The fourth proportional to 99,701.89, 149,581.08 and 40,579.99 is: 60,881.48
Step by Step Solution
- Step 1: Write the proportion equation
99,701.89 : 149,581.08 = 40,579.99 : x - Step 2: Convert to fraction form
99,701.89/149,581.08 = 40,579.99/x - Step 3: Cross multiply
99,701.89x = 149,581.08 × 40,579.99 - Step 4: Simplify right side
99,701.89x = 6,069,998,356.64 - Step 5: Solve for x
x = 6,069,998,356.64/99,701.89 - Step 6: Final answer
x = 60,881.48
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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.