Finding the Fourth Proportional to 73,379.70, 101,263.86 and 39,845.70
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Solution
The fourth proportional to 73,379.70, 101,263.86 and 39,845.70 is: 54,987.00
Step by Step Solution
- Step 1: Write the proportion equation
73,379.70 : 101,263.86 = 39,845.70 : x - Step 2: Convert to fraction form
73,379.70/101,263.86 = 39,845.70/x - Step 3: Cross multiply
73,379.70x = 101,263.86 × 39,845.70 - Step 4: Simplify right side
73,379.70x = 4,034,929,386.40 - Step 5: Solve for x
x = 4,034,929,386.40/73,379.70 - Step 6: Final answer
x = 54,987.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.