Finding the Fourth Proportional to 75,259.13, 112,896.25 and 19,855.13
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Solution
The fourth proportional to 75,259.13, 112,896.25 and 19,855.13 is: 29,784.68
Step by Step Solution
- Step 1: Write the proportion equation
75,259.13 : 112,896.25 = 19,855.13 : x - Step 2: Convert to fraction form
75,259.13/112,896.25 = 19,855.13/x - Step 3: Cross multiply
75,259.13x = 112,896.25 × 19,855.13 - Step 4: Simplify right side
75,259.13x = 2,241,569,106.14 - Step 5: Solve for x
x = 2,241,569,106.14/75,259.13 - Step 6: Final answer
x = 29,784.68
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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.