Finding the Fourth Proportional to 91,011.56, 125,602.26 and 55,203.08
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Solution
The fourth proportional to 91,011.56, 125,602.26 and 55,203.08 is: 76,184.08
Step by Step Solution
- Step 1: Write the proportion equation
91,011.56 : 125,602.26 = 55,203.08 : x - Step 2: Convert to fraction form
91,011.56/125,602.26 = 55,203.08/x - Step 3: Cross multiply
91,011.56x = 125,602.26 × 55,203.08 - Step 4: Simplify right side
91,011.56x = 6,933,631,606.96 - Step 5: Solve for x
x = 6,933,631,606.96/91,011.56 - Step 6: Final answer
x = 76,184.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.