Finding the Fourth Proportional to 75,342.96, 113,032.74 and 22,749.30
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Solution
The fourth proportional to 75,342.96, 113,032.74 and 22,749.30 is: 34,129.48
Step by Step Solution
- Step 1: Write the proportion equation
75,342.96 : 113,032.74 = 22,749.30 : x - Step 2: Convert to fraction form
75,342.96/113,032.74 = 22,749.30/x - Step 3: Cross multiply
75,342.96x = 113,032.74 × 22,749.30 - Step 4: Simplify right side
75,342.96x = 2,571,415,712.08 - Step 5: Solve for x
x = 2,571,415,712.08/75,342.96 - Step 6: Final answer
x = 34,129.48
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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.