Finding the Fourth Proportional to 83,808.02, 125,543.68 and 38,766.26
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Solution
The fourth proportional to 83,808.02, 125,543.68 and 38,766.26 is: 58,071.52
Step by Step Solution
- Step 1: Write the proportion equation
83,808.02 : 125,543.68 = 38,766.26 : x - Step 2: Convert to fraction form
83,808.02/125,543.68 = 38,766.26/x - Step 3: Cross multiply
83,808.02x = 125,543.68 × 38,766.26 - Step 4: Simplify right side
83,808.02x = 4,866,858,940.24 - Step 5: Solve for x
x = 4,866,858,940.24/83,808.02 - Step 6: Final answer
x = 58,071.52
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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.