Finding the Fourth Proportional to 92,321.81, 127,340.81 and 56,529.53
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Solution
The fourth proportional to 92,321.81, 127,340.81 and 56,529.53 is: 77,971.99
Step by Step Solution
- Step 1: Write the proportion equation
92,321.81 : 127,340.81 = 56,529.53 : x - Step 2: Convert to fraction form
92,321.81/127,340.81 = 56,529.53/x - Step 3: Cross multiply
92,321.81x = 127,340.81 × 56,529.53 - Step 4: Simplify right side
92,321.81x = 7,198,515,219.77 - Step 5: Solve for x
x = 7,198,515,219.77/92,321.81 - Step 6: Final answer
x = 77,971.99
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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.