Finding the Fourth Proportional to 79,994.79, 119,987.33 and 33,248.07
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Solution
The fourth proportional to 79,994.79, 119,987.33 and 33,248.07 is: 49,870.09
Step by Step Solution
- Step 1: Write the proportion equation
79,994.79 : 119,987.33 = 33,248.07 : x - Step 2: Convert to fraction form
79,994.79/119,987.33 = 33,248.07/x - Step 3: Cross multiply
79,994.79x = 119,987.33 × 33,248.07 - Step 4: Simplify right side
79,994.79x = 3,989,346,980.71 - Step 5: Solve for x
x = 3,989,346,980.71/79,994.79 - Step 6: Final answer
x = 49,870.09
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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.