Finding the Fourth Proportional to 79,028.23, 118,542.45 and 32,281.12
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Solution
The fourth proportional to 79,028.23, 118,542.45 and 32,281.12 is: 48,421.72
Step by Step Solution
- Step 1: Write the proportion equation
79,028.23 : 118,542.45 = 32,281.12 : x - Step 2: Convert to fraction form
79,028.23/118,542.45 = 32,281.12/x - Step 3: Cross multiply
79,028.23x = 118,542.45 × 32,281.12 - Step 4: Simplify right side
79,028.23x = 3,826,683,053.54 - Step 5: Solve for x
x = 3,826,683,053.54/79,028.23 - Step 6: Final answer
x = 48,421.72
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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.