Finding the Fourth Proportional to 73,742.10, 110,656.35 and 26,999.70
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Solution
The fourth proportional to 73,742.10, 110,656.35 and 26,999.70 is: 40,515.37
Step by Step Solution
- Step 1: Write the proportion equation
73,742.10 : 110,656.35 = 26,999.70 : x - Step 2: Convert to fraction form
73,742.10/110,656.35 = 26,999.70/x - Step 3: Cross multiply
73,742.10x = 110,656.35 × 26,999.70 - Step 4: Simplify right side
73,742.10x = 2,987,688,253.10 - Step 5: Solve for x
x = 2,987,688,253.10/73,742.10 - Step 6: Final answer
x = 40,515.37
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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.