Finding the Fourth Proportional to 84,400.65, 126,663.18 and 40,027.53
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Solution
The fourth proportional to 84,400.65, 126,663.18 and 40,027.53 is: 60,070.80
Step by Step Solution
- Step 1: Write the proportion equation
84,400.65 : 126,663.18 = 40,027.53 : x - Step 2: Convert to fraction form
84,400.65/126,663.18 = 40,027.53/x - Step 3: Cross multiply
84,400.65x = 126,663.18 × 40,027.53 - Step 4: Simplify right side
84,400.65x = 5,070,014,237.35 - Step 5: Solve for x
x = 5,070,014,237.35/84,400.65 - Step 6: Final answer
x = 60,070.80
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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.