Finding the Fourth Proportional to 96,985.62, 145,345.73 and 73,273.68
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Solution
The fourth proportional to 96,985.62, 145,345.73 and 73,273.68 is: 109,810.26
Step by Step Solution
- Step 1: Write the proportion equation
96,985.62 : 145,345.73 = 73,273.68 : x - Step 2: Convert to fraction form
96,985.62/145,345.73 = 73,273.68/x - Step 3: Cross multiply
96,985.62x = 145,345.73 × 73,273.68 - Step 4: Simplify right side
96,985.62x = 10,650,016,143.02 - Step 5: Solve for x
x = 10,650,016,143.02/96,985.62 - Step 6: Final answer
x = 109,810.26
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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.