Finding the Fourth Proportional to 68,281.48, 102,421.74 and 19,033.48
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Solution
The fourth proportional to 68,281.48, 102,421.74 and 19,033.48 is: 28,550.09
Step by Step Solution
- Step 1: Write the proportion equation
68,281.48 : 102,421.74 = 19,033.48 : x - Step 2: Convert to fraction form
68,281.48/102,421.74 = 19,033.48/x - Step 3: Cross multiply
68,281.48x = 102,421.74 × 19,033.48 - Step 4: Simplify right side
68,281.48x = 1,949,442,139.86 - Step 5: Solve for x
x = 1,949,442,139.86/68,281.48 - Step 6: Final answer
x = 28,550.09
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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.