Finding the Fourth Proportional to 92,642.99, 127,797.92 and 56,355.53
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Solution
The fourth proportional to 92,642.99, 127,797.92 and 56,355.53 is: 77,740.58
Step by Step Solution
- Step 1: Write the proportion equation
92,642.99 : 127,797.92 = 56,355.53 : x - Step 2: Convert to fraction form
92,642.99/127,797.92 = 56,355.53/x - Step 3: Cross multiply
92,642.99x = 127,797.92 × 56,355.53 - Step 4: Simplify right side
92,642.99x = 7,202,119,016.40 - Step 5: Solve for x
x = 7,202,119,016.40/92,642.99 - Step 6: Final answer
x = 77,740.58
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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.