Finding the Fourth Proportional to 98,302.12, 135,666.66 and 58,029.16
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Solution
The fourth proportional to 98,302.12, 135,666.66 and 58,029.16 is: 80,085.99
Step by Step Solution
- Step 1: Write the proportion equation
98,302.12 : 135,666.66 = 58,029.16 : x - Step 2: Convert to fraction form
98,302.12/135,666.66 = 58,029.16/x - Step 3: Cross multiply
98,302.12x = 135,666.66 × 58,029.16 - Step 4: Simplify right side
98,302.12x = 7,872,622,319.81 - Step 5: Solve for x
x = 7,872,622,319.81/98,302.12 - Step 6: Final answer
x = 80,085.99
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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.