Finding the Fourth Proportional to 79,623.51, 119,461.19 and 38,073.75
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Solution
The fourth proportional to 79,623.51, 119,461.19 and 38,073.75 is: 57,123.02
Step by Step Solution
- Step 1: Write the proportion equation
79,623.51 : 119,461.19 = 38,073.75 : x - Step 2: Convert to fraction form
79,623.51/119,461.19 = 38,073.75/x - Step 3: Cross multiply
79,623.51x = 119,461.19 × 38,073.75 - Step 4: Simplify right side
79,623.51x = 4,548,335,292.39 - Step 5: Solve for x
x = 4,548,335,292.39/79,623.51 - Step 6: Final answer
x = 57,123.02
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1.5x scale
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.