Finding the Fourth Proportional to 76,937.76, 106,202.88 and 59,908.32
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Solution
The fourth proportional to 76,937.76, 106,202.88 and 59,908.32 is: 82,695.88
Step by Step Solution
- Step 1: Write the proportion equation
76,937.76 : 106,202.88 = 59,908.32 : x - Step 2: Convert to fraction form
76,937.76/106,202.88 = 59,908.32/x - Step 3: Cross multiply
76,937.76x = 106,202.88 × 59,908.32 - Step 4: Simplify right side
76,937.76x = 6,362,436,119.96 - Step 5: Solve for x
x = 6,362,436,119.96/76,937.76 - Step 6: Final answer
x = 82,695.88
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1.5x scale
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.