Finding the Fourth Proportional to 73,828.41, 101,881.79 and 40,294.65
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Solution
The fourth proportional to 73,828.41, 101,881.79 and 40,294.65 is: 55,605.84
Step by Step Solution
- Step 1: Write the proportion equation
73,828.41 : 101,881.79 = 40,294.65 : x - Step 2: Convert to fraction form
73,828.41/101,881.79 = 40,294.65/x - Step 3: Cross multiply
73,828.41x = 101,881.79 × 40,294.65 - Step 4: Simplify right side
73,828.41x = 4,105,290,867.95 - Step 5: Solve for x
x = 4,105,290,867.95/73,828.41 - Step 6: Final answer
x = 55,605.84
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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.