Finding the Fourth Proportional to 75,188.05, 112,787.62 and 25,267.79
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Solution
The fourth proportional to 75,188.05, 112,787.62 and 25,267.79 is: 37,903.55
Step by Step Solution
- Step 1: Write the proportion equation
75,188.05 : 112,787.62 = 25,267.79 : x - Step 2: Convert to fraction form
75,188.05/112,787.62 = 25,267.79/x - Step 3: Cross multiply
75,188.05x = 112,787.62 × 25,267.79 - Step 4: Simplify right side
75,188.05x = 2,849,894,115.56 - Step 5: Solve for x
x = 2,849,894,115.56/75,188.05 - Step 6: Final answer
x = 37,903.55
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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.