Finding the Fourth Proportional to 75,402.99, 113,109.98 and 25,466.49
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Solution
The fourth proportional to 75,402.99, 113,109.98 and 25,466.49 is: 38,201.59
Step by Step Solution
- Step 1: Write the proportion equation
75,402.99 : 113,109.98 = 25,466.49 : x - Step 2: Convert to fraction form
75,402.99/113,109.98 = 25,466.49/x - Step 3: Cross multiply
75,402.99x = 113,109.98 × 25,466.49 - Step 4: Simplify right side
75,402.99x = 2,880,514,047.24 - Step 5: Solve for x
x = 2,880,514,047.24/75,402.99 - Step 6: Final answer
x = 38,201.59
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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.