Finding the Fourth Proportional to 68,293.04, 102,438.34 and 26,161.70
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Solution
The fourth proportional to 68,293.04, 102,438.34 and 26,161.70 is: 39,242.08
Step by Step Solution
- Step 1: Write the proportion equation
68,293.04 : 102,438.34 = 26,161.70 : x - Step 2: Convert to fraction form
68,293.04/102,438.34 = 26,161.70/x - Step 3: Cross multiply
68,293.04x = 102,438.34 × 26,161.70 - Step 4: Simplify right side
68,293.04x = 2,679,960,541.98 - Step 5: Solve for x
x = 2,679,960,541.98/68,293.04 - Step 6: Final answer
x = 39,242.08
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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.