Finding the Fourth Proportional to 79,083.41, 118,625.12 and 19,923.70
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Solution
The fourth proportional to 79,083.41, 118,625.12 and 19,923.70 is: 29,885.54
Step by Step Solution
- Step 1: Write the proportion equation
79,083.41 : 118,625.12 = 19,923.70 : x - Step 2: Convert to fraction form
79,083.41/118,625.12 = 19,923.70/x - Step 3: Cross multiply
79,083.41x = 118,625.12 × 19,923.70 - Step 4: Simplify right side
79,083.41x = 2,363,450,898.68 - Step 5: Solve for x
x = 2,363,450,898.68/79,083.41 - Step 6: Final answer
x = 29,885.54
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Similar ratio
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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.