Finding the Fourth Proportional to 71,035.68, 106,525.62 and 26,638.23
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Solution
The fourth proportional to 71,035.68, 106,525.62 and 26,638.23 is: 39,946.88
Step by Step Solution
- Step 1: Write the proportion equation
71,035.68 : 106,525.62 = 26,638.23 : x - Step 2: Convert to fraction form
71,035.68/106,525.62 = 26,638.23/x - Step 3: Cross multiply
71,035.68x = 106,525.62 × 26,638.23 - Step 4: Simplify right side
71,035.68x = 2,837,653,966.45 - Step 5: Solve for x
x = 2,837,653,966.45/71,035.68 - Step 6: Final answer
x = 39,946.88
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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.