Finding the Fourth Proportional to 76,935.96, 115,386.12 and 24,335.64
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Solution
The fourth proportional to 76,935.96, 115,386.12 and 24,335.64 is: 36,497.82
Step by Step Solution
- Step 1: Write the proportion equation
76,935.96 : 115,386.12 = 24,335.64 : x - Step 2: Convert to fraction form
76,935.96/115,386.12 = 24,335.64/x - Step 3: Cross multiply
76,935.96x = 115,386.12 × 24,335.64 - Step 4: Simplify right side
76,935.96x = 2,807,995,077.32 - Step 5: Solve for x
x = 2,807,995,077.32/76,935.96 - Step 6: Final answer
x = 36,497.82
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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.