Finding the Fourth Proportional to 73,259.68, 101,098.40 and 39,725.68
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Solution
The fourth proportional to 73,259.68, 101,098.40 and 39,725.68 is: 54,821.46
Step by Step Solution
- Step 1: Write the proportion equation
73,259.68 : 101,098.40 = 39,725.68 : x - Step 2: Convert to fraction form
73,259.68/101,098.40 = 39,725.68/x - Step 3: Cross multiply
73,259.68x = 101,098.40 × 39,725.68 - Step 4: Simplify right side
73,259.68x = 4,016,202,686.91 - Step 5: Solve for x
x = 4,016,202,686.91/73,259.68 - Step 6: Final answer
x = 54,821.46
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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.