Finding the Fourth Proportional to 75,489.84, 113,234.76 and 25,570.08
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Solution
The fourth proportional to 75,489.84, 113,234.76 and 25,570.08 is: 38,355.12
Step by Step Solution
- Step 1: Write the proportion equation
75,489.84 : 113,234.76 = 25,570.08 : x - Step 2: Convert to fraction form
75,489.84/113,234.76 = 25,570.08/x - Step 3: Cross multiply
75,489.84x = 113,234.76 × 25,570.08 - Step 4: Simplify right side
75,489.84x = 2,895,421,871.98 - Step 5: Solve for x
x = 2,895,421,871.98/75,489.84 - Step 6: Final answer
x = 38,355.12
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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.