Finding the Fourth Proportional to 75,408.99, 113,118.98 and 25,472.49
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Solution
The fourth proportional to 75,408.99, 113,118.98 and 25,472.49 is: 38,210.59
Step by Step Solution
- Step 1: Write the proportion equation
75,408.99 : 113,118.98 = 25,472.49 : x - Step 2: Convert to fraction form
75,408.99/113,118.98 = 25,472.49/x - Step 3: Cross multiply
75,408.99x = 113,118.98 × 25,472.49 - Step 4: Simplify right side
75,408.99x = 2,881,421,959.50 - Step 5: Solve for x
x = 2,881,421,959.50/75,408.99 - Step 6: Final answer
x = 38,210.59
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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.