Finding the Fourth Proportional to 83,706.66, 125,557.36 and 20,526.98
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Solution
The fourth proportional to 83,706.66, 125,557.36 and 20,526.98 is: 30,789.82
Step by Step Solution
- Step 1: Write the proportion equation
83,706.66 : 125,557.36 = 20,526.98 : x - Step 2: Convert to fraction form
83,706.66/125,557.36 = 20,526.98/x - Step 3: Cross multiply
83,706.66x = 125,557.36 × 20,526.98 - Step 4: Simplify right side
83,706.66x = 2,577,312,738.47 - Step 5: Solve for x
x = 2,577,312,738.47/83,706.66 - Step 6: Final answer
x = 30,789.82
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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.