Finding the Fourth Proportional to 84,023.29, 126,071.99 and 44,570.72
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Solution
The fourth proportional to 84,023.29, 126,071.99 and 44,570.72 is: 66,875.74
Step by Step Solution
- Step 1: Write the proportion equation
84,023.29 : 126,071.99 = 44,570.72 : x - Step 2: Convert to fraction form
84,023.29/126,071.99 = 44,570.72/x - Step 3: Cross multiply
84,023.29x = 126,071.99 × 44,570.72 - Step 4: Simplify right side
84,023.29x = 5,619,119,366.13 - Step 5: Solve for x
x = 5,619,119,366.13/84,023.29 - Step 6: Final answer
x = 66,875.74
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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.