Finding the Fourth Proportional to 75,166.40, 103,519.68 and 73,533.44
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Solution
The fourth proportional to 75,166.40, 103,519.68 and 73,533.44 is: 101,270.76
Step by Step Solution
- Step 1: Write the proportion equation
75,166.40 : 103,519.68 = 73,533.44 : x - Step 2: Convert to fraction form
75,166.40/103,519.68 = 73,533.44/x - Step 3: Cross multiply
75,166.40x = 103,519.68 × 73,533.44 - Step 4: Simplify right side
75,166.40x = 7,612,158,178.10 - Step 5: Solve for x
x = 7,612,158,178.10/75,166.40 - Step 6: Final answer
x = 101,270.76
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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.