Finding the Fourth Proportional to 75,487.14, 113,257.44 and 42,235.83
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Solution
The fourth proportional to 75,487.14, 113,257.44 and 42,235.83 is: 63,368.70
Step by Step Solution
- Step 1: Write the proportion equation
75,487.14 : 113,257.44 = 42,235.83 : x - Step 2: Convert to fraction form
75,487.14/113,257.44 = 42,235.83/x - Step 3: Cross multiply
75,487.14x = 113,257.44 × 42,235.83 - Step 4: Simplify right side
75,487.14x = 4,783,521,982.08 - Step 5: Solve for x
x = 4,783,521,982.08/75,487.14 - Step 6: Final answer
x = 63,368.70
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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.