Finding the Fourth Proportional to 102,583.04, 141,564.21 and 57,260.63
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Solution
The fourth proportional to 102,583.04, 141,564.21 and 57,260.63 is: 79,019.45
Step by Step Solution
- Step 1: Write the proportion equation
102,583.04 : 141,564.21 = 57,260.63 : x - Step 2: Convert to fraction form
102,583.04/141,564.21 = 57,260.63/x - Step 3: Cross multiply
102,583.04x = 141,564.21 × 57,260.63 - Step 4: Simplify right side
102,583.04x = 8,106,055,515.03 - Step 5: Solve for x
x = 8,106,055,515.03/102,583.04 - Step 6: Final answer
x = 79,019.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.