Finding the Fourth Proportional to 99,029.99, 136,661.45 and 53,707.96
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Solution
The fourth proportional to 99,029.99, 136,661.45 and 53,707.96 is: 74,117.02
Step by Step Solution
- Step 1: Write the proportion equation
99,029.99 : 136,661.45 = 53,707.96 : x - Step 2: Convert to fraction form
99,029.99/136,661.45 = 53,707.96/x - Step 3: Cross multiply
99,029.99x = 136,661.45 × 53,707.96 - Step 4: Simplify right side
99,029.99x = 7,339,807,690.14 - Step 5: Solve for x
x = 7,339,807,690.14/99,029.99 - Step 6: Final answer
x = 74,117.02
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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.