Finding the Fourth Proportional to 91,114.99, 125,752.53 and 55,298.09
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Solution
The fourth proportional to 91,114.99, 125,752.53 and 55,298.09 is: 76,319.77
Step by Step Solution
- Step 1: Write the proportion equation
91,114.99 : 125,752.53 = 55,298.09 : x - Step 2: Convert to fraction form
91,114.99/125,752.53 = 55,298.09/x - Step 3: Cross multiply
91,114.99x = 125,752.53 × 55,298.09 - Step 4: Simplify right side
91,114.99x = 6,953,875,243.42 - Step 5: Solve for x
x = 6,953,875,243.42/91,114.99 - Step 6: Final answer
x = 76,319.77
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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.