Finding the Fourth Proportional to 97,983.21, 135,239.01 and 59,755.65
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Solution
The fourth proportional to 97,983.21, 135,239.01 and 59,755.65 is: 82,476.32
Step by Step Solution
- Step 1: Write the proportion equation
97,983.21 : 135,239.01 = 59,755.65 : x - Step 2: Convert to fraction form
97,983.21/135,239.01 = 59,755.65/x - Step 3: Cross multiply
97,983.21x = 135,239.01 × 59,755.65 - Step 4: Simplify right side
97,983.21x = 8,081,294,947.91 - Step 5: Solve for x
x = 8,081,294,947.91/97,983.21 - Step 6: Final answer
x = 82,476.32
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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.