Finding the Fourth Proportional to 72,860.36, 100,593.80 and 59,463.62
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Solution
The fourth proportional to 72,860.36, 100,593.80 and 59,463.62 is: 82,097.74
Step by Step Solution
- Step 1: Write the proportion equation
72,860.36 : 100,593.80 = 59,463.62 : x - Step 2: Convert to fraction form
72,860.36/100,593.80 = 59,463.62/x - Step 3: Cross multiply
72,860.36x = 100,593.80 × 59,463.62 - Step 4: Simplify right side
72,860.36x = 5,981,671,297.48 - Step 5: Solve for x
x = 5,981,671,297.48/72,860.36 - Step 6: Final answer
x = 82,097.74
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1.5x scale
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.