Finding the Fourth Proportional to 99,114.68, 136,779.28 and 53,793.08
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Solution
The fourth proportional to 99,114.68, 136,779.28 and 53,793.08 is: 74,235.00
Step by Step Solution
- Step 1: Write the proportion equation
99,114.68 : 136,779.28 = 53,793.08 : x - Step 2: Convert to fraction form
99,114.68/136,779.28 = 53,793.08/x - Step 3: Cross multiply
99,114.68x = 136,779.28 × 53,793.08 - Step 4: Simplify right side
99,114.68x = 7,357,778,751.38 - Step 5: Solve for x
x = 7,357,778,751.38/99,114.68 - Step 6: Final answer
x = 74,235.00
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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.