Finding the Fourth Proportional to 83,994.48, 115,879.14 and 58,494.06
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Solution
The fourth proportional to 83,994.48, 115,879.14 and 58,494.06 is: 80,698.65
Step by Step Solution
- Step 1: Write the proportion equation
83,994.48 : 115,879.14 = 58,494.06 : x - Step 2: Convert to fraction form
83,994.48/115,879.14 = 58,494.06/x - Step 3: Cross multiply
83,994.48x = 115,879.14 × 58,494.06 - Step 4: Simplify right side
83,994.48x = 6,778,241,367.91 - Step 5: Solve for x
x = 6,778,241,367.91/83,994.48 - Step 6: Final answer
x = 80,698.65
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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.