Finding the Fourth Proportional to 74,201.10, 102,432.98 and 42,363.84
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Solution
The fourth proportional to 74,201.10, 102,432.98 and 42,363.84 is: 58,482.35
Step by Step Solution
- Step 1: Write the proportion equation
74,201.10 : 102,432.98 = 42,363.84 : x - Step 2: Convert to fraction form
74,201.10/102,432.98 = 42,363.84/x - Step 3: Cross multiply
74,201.10x = 102,432.98 × 42,363.84 - Step 4: Simplify right side
74,201.10x = 4,339,454,375.44 - Step 5: Solve for x
x = 4,339,454,375.44/74,201.10 - Step 6: Final answer
x = 58,482.35
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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.