Finding the Fourth Proportional to 79,941.68, 110,318.90 and 44,131.74
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Solution
The fourth proportional to 79,941.68, 110,318.90 and 44,131.74 is: 60,901.46
Step by Step Solution
- Step 1: Write the proportion equation
79,941.68 : 110,318.90 = 44,131.74 : x - Step 2: Convert to fraction form
79,941.68/110,318.90 = 44,131.74/x - Step 3: Cross multiply
79,941.68x = 110,318.90 × 44,131.74 - Step 4: Simplify right side
79,941.68x = 4,868,565,011.89 - Step 5: Solve for x
x = 4,868,565,011.89/79,941.68 - Step 6: Final answer
x = 60,901.46
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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.