Finding the Fourth Proportional to 68,291.29, 102,447.87 and 28,848.75
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Solution
The fourth proportional to 68,291.29, 102,447.87 and 28,848.75 is: 43,277.74
Step by Step Solution
- Step 1: Write the proportion equation
68,291.29 : 102,447.87 = 28,848.75 : x - Step 2: Convert to fraction form
68,291.29/102,447.87 = 28,848.75/x - Step 3: Cross multiply
68,291.29x = 102,447.87 × 28,848.75 - Step 4: Simplify right side
68,291.29x = 2,955,492,477.42 - Step 5: Solve for x
x = 2,955,492,477.42/68,291.29 - Step 6: Final answer
x = 43,277.74
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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.