Finding the Fourth Proportional to 99,734.08, 137,616.06 and 59,447.08
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Solution
The fourth proportional to 99,734.08, 137,616.06 and 59,447.08 is: 82,026.86
Step by Step Solution
- Step 1: Write the proportion equation
99,734.08 : 137,616.06 = 59,447.08 : x - Step 2: Convert to fraction form
99,734.08/137,616.06 = 59,447.08/x - Step 3: Cross multiply
99,734.08x = 137,616.06 × 59,447.08 - Step 4: Simplify right side
99,734.08x = 8,180,872,928.10 - Step 5: Solve for x
x = 8,180,872,928.10/99,734.08 - Step 6: Final answer
x = 82,026.86
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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.