Finding the Fourth Proportional to 86,395.52, 129,352.44 and 44,184.80
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Solution
The fourth proportional to 86,395.52, 129,352.44 and 44,184.80 is: 66,154.03
Step by Step Solution
- Step 1: Write the proportion equation
86,395.52 : 129,352.44 = 44,184.80 : x - Step 2: Convert to fraction form
86,395.52/129,352.44 = 44,184.80/x - Step 3: Cross multiply
86,395.52x = 129,352.44 × 44,184.80 - Step 4: Simplify right side
86,395.52x = 5,715,411,690.91 - Step 5: Solve for x
x = 5,715,411,690.91/86,395.52 - Step 6: Final answer
x = 66,154.03
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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.