Finding the Fourth Proportional to 69,752.62, 104,613.16 and 19,831.62
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Solution
The fourth proportional to 69,752.62, 104,613.16 and 19,831.62 is: 29,742.95
Step by Step Solution
- Step 1: Write the proportion equation
69,752.62 : 104,613.16 = 19,831.62 : x - Step 2: Convert to fraction form
69,752.62/104,613.16 = 19,831.62/x - Step 3: Cross multiply
69,752.62x = 104,613.16 × 19,831.62 - Step 4: Simplify right side
69,752.62x = 2,074,648,436.12 - Step 5: Solve for x
x = 2,074,648,436.12/69,752.62 - Step 6: Final answer
x = 29,742.95
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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.