Finding the Fourth Proportional to 92,135.86, 127,083.86 and 56,343.48
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Solution
The fourth proportional to 92,135.86, 127,083.86 and 56,343.48 is: 77,715.09
Step by Step Solution
- Step 1: Write the proportion equation
92,135.86 : 127,083.86 = 56,343.48 : x - Step 2: Convert to fraction form
92,135.86/127,083.86 = 56,343.48/x - Step 3: Cross multiply
92,135.86x = 127,083.86 × 56,343.48 - Step 4: Simplify right side
92,135.86x = 7,160,346,924.23 - Step 5: Solve for x
x = 7,160,346,924.23/92,135.86 - Step 6: Final answer
x = 77,715.09
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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.