Finding the Fourth Proportional to 94,679.21, 130,624.99 and 53,839.28
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Solution
The fourth proportional to 94,679.21, 130,624.99 and 53,839.28 is: 74,279.83
Step by Step Solution
- Step 1: Write the proportion equation
94,679.21 : 130,624.99 = 53,839.28 : x - Step 2: Convert to fraction form
94,679.21/130,624.99 = 53,839.28/x - Step 3: Cross multiply
94,679.21x = 130,624.99 × 53,839.28 - Step 4: Simplify right side
94,679.21x = 7,032,755,603.57 - Step 5: Solve for x
x = 7,032,755,603.57/94,679.21 - Step 6: Final answer
x = 74,279.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.