Finding the Fourth Proportional to 72,726.05, 109,085.74 and 25,351.99
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Solution
The fourth proportional to 72,726.05, 109,085.74 and 25,351.99 is: 38,026.82
Step by Step Solution
- Step 1: Write the proportion equation
72,726.05 : 109,085.74 = 25,351.99 : x - Step 2: Convert to fraction form
72,726.05/109,085.74 = 25,351.99/x - Step 3: Cross multiply
72,726.05x = 109,085.74 × 25,351.99 - Step 4: Simplify right side
72,726.05x = 2,765,540,253.53 - Step 5: Solve for x
x = 2,765,540,253.53/72,726.05 - Step 6: Final answer
x = 38,026.82
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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.