Finding the Fourth Proportional to 99,019.02, 136,646.27 and 53,696.99
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Solution
The fourth proportional to 99,019.02, 136,646.27 and 53,696.99 is: 74,101.86
Step by Step Solution
- Step 1: Write the proportion equation
99,019.02 : 136,646.27 = 53,696.99 : x - Step 2: Convert to fraction form
99,019.02/136,646.27 = 53,696.99/x - Step 3: Cross multiply
99,019.02x = 136,646.27 × 53,696.99 - Step 4: Simplify right side
99,019.02x = 7,337,493,009.47 - Step 5: Solve for x
x = 7,337,493,009.47/99,019.02 - Step 6: Final answer
x = 74,101.86
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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.