Finding the Fourth Proportional to 81,054.48, 121,567.55 and 36,670.80
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Solution
The fourth proportional to 81,054.48, 121,567.55 and 36,670.80 is: 54,999.79
Step by Step Solution
- Step 1: Write the proportion equation
81,054.48 : 121,567.55 = 36,670.80 : x - Step 2: Convert to fraction form
81,054.48/121,567.55 = 36,670.80/x - Step 3: Cross multiply
81,054.48x = 121,567.55 × 36,670.80 - Step 4: Simplify right side
81,054.48x = 4,457,979,129.19 - Step 5: Solve for x
x = 4,457,979,129.19/81,054.48 - Step 6: Final answer
x = 54,999.79
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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.