Finding the Fourth Proportional to 68,769.36, 103,159.53 and 29,326.83
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Solution
The fourth proportional to 68,769.36, 103,159.53 and 29,326.83 is: 43,992.59
Step by Step Solution
- Step 1: Write the proportion equation
68,769.36 : 103,159.53 = 29,326.83 : x - Step 2: Convert to fraction form
68,769.36/103,159.53 = 29,326.83/x - Step 3: Cross multiply
68,769.36x = 103,159.53 × 29,326.83 - Step 4: Simplify right side
68,769.36x = 3,025,341,999.19 - Step 5: Solve for x
x = 3,025,341,999.19/68,769.36 - Step 6: Final answer
x = 43,992.59
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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.