Finding the Fourth Proportional to 84,963.06, 117,219.84 and 52,686.08
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Solution
The fourth proportional to 84,963.06, 117,219.84 and 52,686.08 is: 72,688.69
Step by Step Solution
- Step 1: Write the proportion equation
84,963.06 : 117,219.84 = 52,686.08 : x - Step 2: Convert to fraction form
84,963.06/117,219.84 = 52,686.08/x - Step 3: Cross multiply
84,963.06x = 117,219.84 × 52,686.08 - Step 4: Simplify right side
84,963.06x = 6,175,853,867.83 - Step 5: Solve for x
x = 6,175,853,867.83/84,963.06 - Step 6: Final answer
x = 72,688.69
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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.