Finding the Fourth Proportional to 66,748.20, 100,122.30 and 62,341.80
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Solution
The fourth proportional to 66,748.20, 100,122.30 and 62,341.80 is: 93,512.70
Step by Step Solution
- Step 1: Write the proportion equation
66,748.20 : 100,122.30 = 62,341.80 : x - Step 2: Convert to fraction form
66,748.20/100,122.30 = 62,341.80/x - Step 3: Cross multiply
66,748.20x = 100,122.30 × 62,341.80 - Step 4: Simplify right side
66,748.20x = 6,241,804,402.14 - Step 5: Solve for x
x = 6,241,804,402.14/66,748.20 - Step 6: Final answer
x = 93,512.70
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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.