Finding the Fourth Proportional to 99,830.21, 149,703.99 and 40,625.69
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Solution
The fourth proportional to 99,830.21, 149,703.99 and 40,625.69 is: 60,921.71
Step by Step Solution
- Step 1: Write the proportion equation
99,830.21 : 149,703.99 = 40,625.69 : x - Step 2: Convert to fraction form
99,830.21/149,703.99 = 40,625.69/x - Step 3: Cross multiply
99,830.21x = 149,703.99 × 40,625.69 - Step 4: Simplify right side
99,830.21x = 6,081,827,140.98 - Step 5: Solve for x
x = 6,081,827,140.98/99,830.21 - Step 6: Final answer
x = 60,921.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.