Finding the Fourth Proportional to 73,810.50, 110,641.73 and 38,251.91
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Solution
The fourth proportional to 73,810.50, 110,641.73 and 38,251.91 is: 57,339.50
Step by Step Solution
- Step 1: Write the proportion equation
73,810.50 : 110,641.73 = 38,251.91 : x - Step 2: Convert to fraction form
73,810.50/110,641.73 = 38,251.91/x - Step 3: Cross multiply
73,810.50x = 110,641.73 × 38,251.91 - Step 4: Simplify right side
73,810.50x = 4,232,256,945.00 - Step 5: Solve for x
x = 4,232,256,945.00/73,810.50 - Step 6: Final answer
x = 57,339.50
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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.