Finding the Fourth Proportional to 93,143.61, 139,739.04 and 26,583.99
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Solution
The fourth proportional to 93,143.61, 139,739.04 and 26,583.99 is: 39,882.73
Step by Step Solution
- Step 1: Write the proportion equation
93,143.61 : 139,739.04 = 26,583.99 : x - Step 2: Convert to fraction form
93,143.61/139,739.04 = 26,583.99/x - Step 3: Cross multiply
93,143.61x = 139,739.04 × 26,583.99 - Step 4: Simplify right side
93,143.61x = 3,714,821,241.97 - Step 5: Solve for x
x = 3,714,821,241.97/93,143.61 - Step 6: Final answer
x = 39,882.73
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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.