Finding the Fourth Proportional to 79,715.23, 119,574.63 and 29,768.07
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Solution
The fourth proportional to 79,715.23, 119,574.63 and 29,768.07 is: 44,652.78
Step by Step Solution
- Step 1: Write the proportion equation
79,715.23 : 119,574.63 = 29,768.07 : x - Step 2: Convert to fraction form
79,715.23/119,574.63 = 29,768.07/x - Step 3: Cross multiply
79,715.23x = 119,574.63 × 29,768.07 - Step 4: Simplify right side
79,715.23x = 3,559,506,404.47 - Step 5: Solve for x
x = 3,559,506,404.47/79,715.23 - Step 6: Final answer
x = 44,652.78
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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.