Finding the Fourth Proportional to 94,165.57, 129,950.73 and 51,724.99
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Solution
The fourth proportional to 94,165.57, 129,950.73 and 51,724.99 is: 71,381.72
Step by Step Solution
- Step 1: Write the proportion equation
94,165.57 : 129,950.73 = 51,724.99 : x - Step 2: Convert to fraction form
94,165.57/129,950.73 = 51,724.99/x - Step 3: Cross multiply
94,165.57x = 129,950.73 × 51,724.99 - Step 4: Simplify right side
94,165.57x = 6,721,700,209.74 - Step 5: Solve for x
x = 6,721,700,209.74/94,165.57 - Step 6: Final answer
x = 71,381.72
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1.5x scale
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.