Finding the Fourth Proportional to 73,407.07, 101,301.86 and 39,873.07
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Solution
The fourth proportional to 73,407.07, 101,301.86 and 39,873.07 is: 55,024.89
Step by Step Solution
- Step 1: Write the proportion equation
73,407.07 : 101,301.86 = 39,873.07 : x - Step 2: Convert to fraction form
73,407.07/101,301.86 = 39,873.07/x - Step 3: Cross multiply
73,407.07x = 101,301.86 × 39,873.07 - Step 4: Simplify right side
73,407.07x = 4,039,216,154.91 - Step 5: Solve for x
x = 4,039,216,154.91/73,407.07 - Step 6: Final answer
x = 55,024.89
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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.