Finding the Fourth Proportional to 73,403.08, 101,296.29 and 39,869.08
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Solution
The fourth proportional to 73,403.08, 101,296.29 and 39,869.08 is: 55,019.35
Step by Step Solution
- Step 1: Write the proportion equation
73,403.08 : 101,296.29 = 39,869.08 : x - Step 2: Convert to fraction form
73,403.08/101,296.29 = 39,869.08/x - Step 3: Cross multiply
73,403.08x = 101,296.29 × 39,869.08 - Step 4: Simplify right side
73,403.08x = 4,038,589,889.71 - Step 5: Solve for x
x = 4,038,589,889.71/73,403.08 - Step 6: Final answer
x = 55,019.35
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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.