Finding the Fourth Proportional to 76,044.03, 104,891.34 and 48,776.95
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Solution
The fourth proportional to 76,044.03, 104,891.34 and 48,776.95 is: 67,280.49
Step by Step Solution
- Step 1: Write the proportion equation
76,044.03 : 104,891.34 = 48,776.95 : x - Step 2: Convert to fraction form
76,044.03/104,891.34 = 48,776.95/x - Step 3: Cross multiply
76,044.03x = 104,891.34 × 48,776.95 - Step 4: Simplify right side
76,044.03x = 5,116,279,646.61 - Step 5: Solve for x
x = 5,116,279,646.61/76,044.03 - Step 6: Final answer
x = 67,280.49
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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.