Finding the Fourth Proportional to 74,295.28, 102,526.92 and 40,303.84
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Solution
The fourth proportional to 74,295.28, 102,526.92 and 40,303.84 is: 55,618.99
Step by Step Solution
- Step 1: Write the proportion equation
74,295.28 : 102,526.92 = 40,303.84 : x - Step 2: Convert to fraction form
74,295.28/102,526.92 = 40,303.84/x - Step 3: Cross multiply
74,295.28x = 102,526.92 × 40,303.84 - Step 4: Simplify right side
74,295.28x = 4,132,228,579.37 - Step 5: Solve for x
x = 4,132,228,579.37/74,295.28 - Step 6: Final answer
x = 55,618.99
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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.