Finding the Fourth Proportional to 67,814.13, 101,721.20 and 26,261.13
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Solution
The fourth proportional to 67,814.13, 101,721.20 and 26,261.13 is: 39,391.70
Step by Step Solution
- Step 1: Write the proportion equation
67,814.13 : 101,721.20 = 26,261.13 : x - Step 2: Convert to fraction form
67,814.13/101,721.20 = 26,261.13/x - Step 3: Cross multiply
67,814.13x = 101,721.20 × 26,261.13 - Step 4: Simplify right side
67,814.13x = 2,671,313,656.96 - Step 5: Solve for x
x = 2,671,313,656.96/67,814.13 - Step 6: Final answer
x = 39,391.70
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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.