Finding the Fourth Proportional to 94,887.84, 142,220.59 and 38,692.88
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Solution
The fourth proportional to 94,887.84, 142,220.59 and 38,692.88 is: 57,993.99
Step by Step Solution
- Step 1: Write the proportion equation
94,887.84 : 142,220.59 = 38,692.88 : x - Step 2: Convert to fraction form
94,887.84/142,220.59 = 38,692.88/x - Step 3: Cross multiply
94,887.84x = 142,220.59 × 38,692.88 - Step 4: Simplify right side
94,887.84x = 5,502,924,222.40 - Step 5: Solve for x
x = 5,502,924,222.40/94,887.84 - Step 6: Final answer
x = 57,993.99
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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.