Finding the Fourth Proportional to 88,184.13, 121,692.35 and 49,943.06
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Solution
The fourth proportional to 88,184.13, 121,692.35 and 49,943.06 is: 68,920.42
Step by Step Solution
- Step 1: Write the proportion equation
88,184.13 : 121,692.35 = 49,943.06 : x - Step 2: Convert to fraction form
88,184.13/121,692.35 = 49,943.06/x - Step 3: Cross multiply
88,184.13x = 121,692.35 × 49,943.06 - Step 4: Simplify right side
88,184.13x = 6,077,687,479.41 - Step 5: Solve for x
x = 6,077,687,479.41/88,184.13 - Step 6: Final answer
x = 68,920.42
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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.