Finding the Fourth Proportional to 74,124.41, 102,299.00 and 42,298.08
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Solution
The fourth proportional to 74,124.41, 102,299.00 and 42,298.08 is: 58,375.53
Step by Step Solution
- Step 1: Write the proportion equation
74,124.41 : 102,299.00 = 42,298.08 : x - Step 2: Convert to fraction form
74,124.41/102,299.00 = 42,298.08/x - Step 3: Cross multiply
74,124.41x = 102,299.00 × 42,298.08 - Step 4: Simplify right side
74,124.41x = 4,327,051,074.43 - Step 5: Solve for x
x = 4,327,051,074.43/74,124.41 - Step 6: Final answer
x = 58,375.53
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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.