Finding the Fourth Proportional to 98,041.14, 147,075.48 and 38,882.79
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Solution
The fourth proportional to 98,041.14, 147,075.48 and 38,882.79 is: 58,329.65
Step by Step Solution
- Step 1: Write the proportion equation
98,041.14 : 147,075.48 = 38,882.79 : x - Step 2: Convert to fraction form
98,041.14/147,075.48 = 38,882.79/x - Step 3: Cross multiply
98,041.14x = 147,075.48 × 38,882.79 - Step 4: Simplify right side
98,041.14x = 5,718,705,002.99 - Step 5: Solve for x
x = 5,718,705,002.99/98,041.14 - Step 6: Final answer
x = 58,329.65
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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.