Finding the Fourth Proportional to 75,054.30, 112,582.81 and 25,125.09
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Solution
The fourth proportional to 75,054.30, 112,582.81 and 25,125.09 is: 37,688.09
Step by Step Solution
- Step 1: Write the proportion equation
75,054.30 : 112,582.81 = 25,125.09 : x - Step 2: Convert to fraction form
75,054.30/112,582.81 = 25,125.09/x - Step 3: Cross multiply
75,054.30x = 112,582.81 × 25,125.09 - Step 4: Simplify right side
75,054.30x = 2,828,652,842.92 - Step 5: Solve for x
x = 2,828,652,842.92/75,054.30 - Step 6: Final answer
x = 37,688.09
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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.