Finding the Fourth Proportional to 75,118.12, 112,787.88 and 41,903.08
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Solution
The fourth proportional to 75,118.12, 112,787.88 and 41,903.08 is: 62,916.37
Step by Step Solution
- Step 1: Write the proportion equation
75,118.12 : 112,787.88 = 41,903.08 : x - Step 2: Convert to fraction form
75,118.12/112,787.88 = 41,903.08/x - Step 3: Cross multiply
75,118.12x = 112,787.88 × 41,903.08 - Step 4: Simplify right side
75,118.12x = 4,726,159,558.67 - Step 5: Solve for x
x = 4,726,159,558.67/75,118.12 - Step 6: Final answer
x = 62,916.37
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1.5x scale
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.