Finding the Fourth Proportional to 73,146.18, 100,940.28 and 40,881.08
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Solution
The fourth proportional to 73,146.18, 100,940.28 and 40,881.08 is: 56,415.08
Step by Step Solution
- Step 1: Write the proportion equation
73,146.18 : 100,940.28 = 40,881.08 : x - Step 2: Convert to fraction form
73,146.18/100,940.28 = 40,881.08/x - Step 3: Cross multiply
73,146.18x = 100,940.28 × 40,881.08 - Step 4: Simplify right side
73,146.18x = 4,126,547,661.90 - Step 5: Solve for x
x = 4,126,547,661.90/73,146.18 - Step 6: Final answer
x = 56,415.08
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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.