Finding the Fourth Proportional to 92,335.05, 138,502.53 and 71,305.68
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Solution
The fourth proportional to 92,335.05, 138,502.53 and 71,305.68 is: 106,958.49
Step by Step Solution
- Step 1: Write the proportion equation
92,335.05 : 138,502.53 = 71,305.68 : x - Step 2: Convert to fraction form
92,335.05/138,502.53 = 71,305.68/x - Step 3: Cross multiply
92,335.05x = 138,502.53 × 71,305.68 - Step 4: Simplify right side
92,335.05x = 9,876,017,083.37 - Step 5: Solve for x
x = 9,876,017,083.37/92,335.05 - Step 6: Final answer
x = 106,958.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.