Finding the Fourth Proportional to 83,710.56, 125,566.08 and 20,530.98
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Solution
The fourth proportional to 83,710.56, 125,566.08 and 20,530.98 is: 30,796.53
Step by Step Solution
- Step 1: Write the proportion equation
83,710.56 : 125,566.08 = 20,530.98 : x - Step 2: Convert to fraction form
83,710.56/125,566.08 = 20,530.98/x - Step 3: Cross multiply
83,710.56x = 125,566.08 × 20,530.98 - Step 4: Simplify right side
83,710.56x = 2,577,994,677.16 - Step 5: Solve for x
x = 2,577,994,677.16/83,710.56 - Step 6: Final answer
x = 30,796.53
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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.