Finding the Fourth Proportional to 112,655.24, 168,988.04 and 62,697.70
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Solution
The fourth proportional to 112,655.24, 168,988.04 and 62,697.70 is: 94,049.43
Step by Step Solution
- Step 1: Write the proportion equation
112,655.24 : 168,988.04 = 62,697.70 : x - Step 2: Convert to fraction form
112,655.24/168,988.04 = 62,697.70/x - Step 3: Cross multiply
112,655.24x = 168,988.04 × 62,697.70 - Step 4: Simplify right side
112,655.24x = 10,595,160,617.81 - Step 5: Solve for x
x = 10,595,160,617.81/112,655.24 - Step 6: Final answer
x = 94,049.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.