Finding the Fourth Proportional to 99,690.52, 149,543.87 and 29,569.63
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Solution
The fourth proportional to 99,690.52, 149,543.87 and 29,569.63 is: 44,356.84
Step by Step Solution
- Step 1: Write the proportion equation
99,690.52 : 149,543.87 = 29,569.63 : x - Step 2: Convert to fraction form
99,690.52/149,543.87 = 29,569.63/x - Step 3: Cross multiply
99,690.52x = 149,543.87 × 29,569.63 - Step 4: Simplify right side
99,690.52x = 4,421,956,904.67 - Step 5: Solve for x
x = 4,421,956,904.67/99,690.52 - Step 6: Final answer
x = 44,356.84
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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.