Finding the Fourth Proportional to 89,103.90, 122,963.49 and 48,820.24
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Solution
The fourth proportional to 89,103.90, 122,963.49 and 48,820.24 is: 67,371.99
Step by Step Solution
- Step 1: Write the proportion equation
89,103.90 : 122,963.49 = 48,820.24 : x - Step 2: Convert to fraction form
89,103.90/122,963.49 = 48,820.24/x - Step 3: Cross multiply
89,103.90x = 122,963.49 × 48,820.24 - Step 4: Simplify right side
89,103.90x = 6,003,106,848.94 - Step 5: Solve for x
x = 6,003,106,848.94/89,103.90 - Step 6: Final answer
x = 67,371.99
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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.