Finding the Fourth Proportional to 96,811.20, 145,012.68 and 44,264.88
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Solution
The fourth proportional to 96,811.20, 145,012.68 and 44,264.88 is: 66,303.99
Step by Step Solution
- Step 1: Write the proportion equation
96,811.20 : 145,012.68 = 44,264.88 : x - Step 2: Convert to fraction form
96,811.20/145,012.68 = 44,264.88/x - Step 3: Cross multiply
96,811.20x = 145,012.68 × 44,264.88 - Step 4: Simplify right side
96,811.20x = 6,418,968,878.68 - Step 5: Solve for x
x = 6,418,968,878.68/96,811.20 - Step 6: Final answer
x = 66,303.99
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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.