Finding the Fourth Proportional to 75,028.14, 112,525.47 and 22,430.79
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Solution
The fourth proportional to 75,028.14, 112,525.47 and 22,430.79 is: 33,641.18
Step by Step Solution
- Step 1: Write the proportion equation
75,028.14 : 112,525.47 = 22,430.79 : x - Step 2: Convert to fraction form
75,028.14/112,525.47 = 22,430.79/x - Step 3: Cross multiply
75,028.14x = 112,525.47 × 22,430.79 - Step 4: Simplify right side
75,028.14x = 2,524,035,187.22 - Step 5: Solve for x
x = 2,524,035,187.22/75,028.14 - Step 6: Final answer
x = 33,641.18
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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.