Finding the Fourth Proportional to 69,810.30, 104,775.91 and 36,553.62
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Solution
The fourth proportional to 69,810.30, 104,775.91 and 36,553.62 is: 54,862.09
Step by Step Solution
- Step 1: Write the proportion equation
69,810.30 : 104,775.91 = 36,553.62 : x - Step 2: Convert to fraction form
69,810.30/104,775.91 = 36,553.62/x - Step 3: Cross multiply
69,810.30x = 104,775.91 × 36,553.62 - Step 4: Simplify right side
69,810.30x = 3,829,938,799.29 - Step 5: Solve for x
x = 3,829,938,799.29/69,810.30 - Step 6: Final answer
x = 54,862.09
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1.5x scale
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.