Finding the Fourth Proportional to 69,856.10, 104,276.99 and 64,652.12
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Solution
The fourth proportional to 69,856.10, 104,276.99 and 64,652.12 is: 96,508.80
Step by Step Solution
- Step 1: Write the proportion equation
69,856.10 : 104,276.99 = 64,652.12 : x - Step 2: Convert to fraction form
69,856.10/104,276.99 = 64,652.12/x - Step 3: Cross multiply
69,856.10x = 104,276.99 × 64,652.12 - Step 4: Simplify right side
69,856.10x = 6,741,727,626.07 - Step 5: Solve for x
x = 6,741,727,626.07/69,856.10 - Step 6: Final answer
x = 96,508.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.