Finding the Fourth Proportional to 73,059.84, 100,828.80 and 61,102.08
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Solution
The fourth proportional to 73,059.84, 100,828.80 and 61,102.08 is: 84,326.07
Step by Step Solution
- Step 1: Write the proportion equation
73,059.84 : 100,828.80 = 61,102.08 : x - Step 2: Convert to fraction form
73,059.84/100,828.80 = 61,102.08/x - Step 3: Cross multiply
73,059.84x = 100,828.80 × 61,102.08 - Step 4: Simplify right side
73,059.84x = 6,160,849,403.90 - Step 5: Solve for x
x = 6,160,849,403.90/73,059.84 - Step 6: Final answer
x = 84,326.07
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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.