Finding the Fourth Proportional to 72,867.53, 109,305.21 and 22,951.53
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Solution
The fourth proportional to 72,867.53, 109,305.21 and 22,951.53 is: 34,428.53
Step by Step Solution
- Step 1: Write the proportion equation
72,867.53 : 109,305.21 = 22,951.53 : x - Step 2: Convert to fraction form
72,867.53/109,305.21 = 22,951.53/x - Step 3: Cross multiply
72,867.53x = 109,305.21 × 22,951.53 - Step 4: Simplify right side
72,867.53x = 2,508,721,806.47 - Step 5: Solve for x
x = 2,508,721,806.47/72,867.53 - Step 6: Final answer
x = 34,428.53
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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.