Finding the Fourth Proportional to 98,525.38, 135,965.18 and 56,083.91
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Solution
The fourth proportional to 98,525.38, 135,965.18 and 56,083.91 is: 77,395.88
Step by Step Solution
- Step 1: Write the proportion equation
98,525.38 : 135,965.18 = 56,083.91 : x - Step 2: Convert to fraction form
98,525.38/135,965.18 = 56,083.91/x - Step 3: Cross multiply
98,525.38x = 135,965.18 × 56,083.91 - Step 4: Simplify right side
98,525.38x = 7,625,458,918.25 - Step 5: Solve for x
x = 7,625,458,918.25/98,525.38 - Step 6: Final answer
x = 77,395.88
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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.