Finding the Fourth Proportional to 67,477.73, 101,197.24 and 20,090.84
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Solution
The fourth proportional to 67,477.73, 101,197.24 and 20,090.84 is: 30,130.49
Step by Step Solution
- Step 1: Write the proportion equation
67,477.73 : 101,197.24 = 20,090.84 : x - Step 2: Convert to fraction form
67,477.73/101,197.24 = 20,090.84/x - Step 3: Cross multiply
67,477.73x = 101,197.24 × 20,090.84 - Step 4: Simplify right side
67,477.73x = 2,033,137,001.07 - Step 5: Solve for x
x = 2,033,137,001.07/67,477.73 - Step 6: Final answer
x = 30,130.49
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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.