Finding the Fourth Proportional to 68,609.24, 102,848.16 and 21,831.68
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Solution
The fourth proportional to 68,609.24, 102,848.16 and 21,831.68 is: 32,726.61
Step by Step Solution
- Step 1: Write the proportion equation
68,609.24 : 102,848.16 = 21,831.68 : x - Step 2: Convert to fraction form
68,609.24/102,848.16 = 21,831.68/x - Step 3: Cross multiply
68,609.24x = 102,848.16 × 21,831.68 - Step 4: Simplify right side
68,609.24x = 2,245,348,117.71 - Step 5: Solve for x
x = 2,245,348,117.71/68,609.24 - Step 6: Final answer
x = 32,726.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.