Finding the Fourth Proportional to 101,989.08, 153,014.04 and 48,720.96
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Solution
The fourth proportional to 101,989.08, 153,014.04 and 48,720.96 is: 73,095.97
Step by Step Solution
- Step 1: Write the proportion equation
101,989.08 : 153,014.04 = 48,720.96 : x - Step 2: Convert to fraction form
101,989.08/153,014.04 = 48,720.96/x - Step 3: Cross multiply
101,989.08x = 153,014.04 × 48,720.96 - Step 4: Simplify right side
101,989.08x = 7,454,990,922.28 - Step 5: Solve for x
x = 7,454,990,922.28/101,989.08 - Step 6: Final answer
x = 73,095.97
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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.