Finding the Fourth Proportional to 73,501.76, 110,289.09 and 29,127.53
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Solution
The fourth proportional to 73,501.76, 110,289.09 and 29,127.53 is: 43,705.74
Step by Step Solution
- Step 1: Write the proportion equation
73,501.76 : 110,289.09 = 29,127.53 : x - Step 2: Convert to fraction form
73,501.76/110,289.09 = 29,127.53/x - Step 3: Cross multiply
73,501.76x = 110,289.09 × 29,127.53 - Step 4: Simplify right side
73,501.76x = 3,212,449,162.60 - Step 5: Solve for x
x = 3,212,449,162.60/73,501.76 - Step 6: Final answer
x = 43,705.74
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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.