Finding the Fourth Proportional to 73,471.04, 110,141.88 and 29,128.92
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Solution
The fourth proportional to 73,471.04, 110,141.88 and 29,128.92 is: 43,667.74
Step by Step Solution
- Step 1: Write the proportion equation
73,471.04 : 110,141.88 = 29,128.92 : x - Step 2: Convert to fraction form
73,471.04/110,141.88 = 29,128.92/x - Step 3: Cross multiply
73,471.04x = 110,141.88 × 29,128.92 - Step 4: Simplify right side
73,471.04x = 3,208,314,011.17 - Step 5: Solve for x
x = 3,208,314,011.17/73,471.04 - Step 6: Final answer
x = 43,667.74
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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.