Finding the Fourth Proportional to 83,459.24, 115,106.68 and 73,366.20
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Solution
The fourth proportional to 83,459.24, 115,106.68 and 73,366.20 is: 101,186.40
Step by Step Solution
- Step 1: Write the proportion equation
83,459.24 : 115,106.68 = 73,366.20 : x - Step 2: Convert to fraction form
83,459.24/115,106.68 = 73,366.20/x - Step 3: Cross multiply
83,459.24x = 115,106.68 × 73,366.20 - Step 4: Simplify right side
83,459.24x = 8,444,939,706.22 - Step 5: Solve for x
x = 8,444,939,706.22/83,459.24 - Step 6: Final answer
x = 101,186.40
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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.