Finding the Fourth Proportional to 92,613.10, 138,866.01 and 81,542.02
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Solution
The fourth proportional to 92,613.10, 138,866.01 and 81,542.02 is: 122,265.80
Step by Step Solution
- Step 1: Write the proportion equation
92,613.10 : 138,866.01 = 81,542.02 : x - Step 2: Convert to fraction form
92,613.10/138,866.01 = 81,542.02/x - Step 3: Cross multiply
92,613.10x = 138,866.01 × 81,542.02 - Step 4: Simplify right side
92,613.10x = 11,323,414,964.74 - Step 5: Solve for x
x = 11,323,414,964.74/92,613.10 - Step 6: Final answer
x = 122,265.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.