Finding the Fourth Proportional to 99,594.68, 137,430.81 and 58,757.94
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Solution
The fourth proportional to 99,594.68, 137,430.81 and 58,757.94 is: 81,080.15
Step by Step Solution
- Step 1: Write the proportion equation
99,594.68 : 137,430.81 = 58,757.94 : x - Step 2: Convert to fraction form
99,594.68/137,430.81 = 58,757.94/x - Step 3: Cross multiply
99,594.68x = 137,430.81 × 58,757.94 - Step 4: Simplify right side
99,594.68x = 8,075,151,288.13 - Step 5: Solve for x
x = 8,075,151,288.13/99,594.68 - Step 6: Final answer
x = 81,080.15
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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.