Finding the Fourth Proportional to 103,363.08, 142,630.43 and 58,046.07
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Solution
The fourth proportional to 103,363.08, 142,630.43 and 58,046.07 is: 80,097.61
Step by Step Solution
- Step 1: Write the proportion equation
103,363.08 : 142,630.43 = 58,046.07 : x - Step 2: Convert to fraction form
103,363.08/142,630.43 = 58,046.07/x - Step 3: Cross multiply
103,363.08x = 142,630.43 × 58,046.07 - Step 4: Simplify right side
103,363.08x = 8,279,135,923.91 - Step 5: Solve for x
x = 8,279,135,923.91/103,363.08 - Step 6: Final answer
x = 80,097.61
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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.