Finding the Fourth Proportional to 104,809.76, 157,233.79 and 48,642.14
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Solution
The fourth proportional to 104,809.76, 157,233.79 and 48,642.14 is: 72,972.09
Step by Step Solution
- Step 1: Write the proportion equation
104,809.76 : 157,233.79 = 48,642.14 : x - Step 2: Convert to fraction form
104,809.76/157,233.79 = 48,642.14/x - Step 3: Cross multiply
104,809.76x = 157,233.79 × 48,642.14 - Step 4: Simplify right side
104,809.76x = 7,648,187,595.36 - Step 5: Solve for x
x = 7,648,187,595.36/104,809.76 - Step 6: Final answer
x = 72,972.09
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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.