Finding the Fourth Proportional to 84,221.08, 126,397.62 and 58,754.98
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Solution
The fourth proportional to 84,221.08, 126,397.62 and 58,754.98 is: 88,178.51
Step by Step Solution
- Step 1: Write the proportion equation
84,221.08 : 126,397.62 = 58,754.98 : x - Step 2: Convert to fraction form
84,221.08/126,397.62 = 58,754.98/x - Step 3: Cross multiply
84,221.08x = 126,397.62 × 58,754.98 - Step 4: Simplify right side
84,221.08x = 7,426,489,635.15 - Step 5: Solve for x
x = 7,426,489,635.15/84,221.08 - Step 6: Final answer
x = 88,178.51
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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.