Finding the Fourth Proportional to 99,149.59, 136,827.48 and 53,827.99
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Solution
The fourth proportional to 99,149.59, 136,827.48 and 53,827.99 is: 74,283.19
Step by Step Solution
- Step 1: Write the proportion equation
99,149.59 : 136,827.48 = 53,827.99 : x - Step 2: Convert to fraction form
99,149.59/136,827.48 = 53,827.99/x - Step 3: Cross multiply
99,149.59x = 136,827.48 × 53,827.99 - Step 4: Simplify right side
99,149.59x = 7,365,148,225.17 - Step 5: Solve for x
x = 7,365,148,225.17/99,149.59 - Step 6: Final answer
x = 74,283.19
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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.