Finding the Fourth Proportional to 67,122.84, 100,621.35 and 22,718.52
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Solution
The fourth proportional to 67,122.84, 100,621.35 and 22,718.52 is: 34,056.49
Step by Step Solution
- Step 1: Write the proportion equation
67,122.84 : 100,621.35 = 22,718.52 : x - Step 2: Convert to fraction form
67,122.84/100,621.35 = 22,718.52/x - Step 3: Cross multiply
67,122.84x = 100,621.35 × 22,718.52 - Step 4: Simplify right side
67,122.84x = 2,285,968,152.40 - Step 5: Solve for x
x = 2,285,968,152.40/67,122.84 - Step 6: Final answer
x = 34,056.49
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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.