Finding the Fourth Proportional to 103,566.08, 142,920.96 and 58,854.08
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Solution
The fourth proportional to 103,566.08, 142,920.96 and 58,854.08 is: 81,218.50
Step by Step Solution
- Step 1: Write the proportion equation
103,566.08 : 142,920.96 = 58,854.08 : x - Step 2: Convert to fraction form
103,566.08/142,920.96 = 58,854.08/x - Step 3: Cross multiply
103,566.08x = 142,920.96 × 58,854.08 - Step 4: Simplify right side
103,566.08x = 8,411,481,613.52 - Step 5: Solve for x
x = 8,411,481,613.52/103,566.08 - Step 6: Final answer
x = 81,218.50
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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.