Finding the Fourth Proportional to 94,054.24, 129,787.44 and 51,612.64
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Solution
The fourth proportional to 94,054.24, 129,787.44 and 51,612.64 is: 71,221.38
Step by Step Solution
- Step 1: Write the proportion equation
94,054.24 : 129,787.44 = 51,612.64 : x - Step 2: Convert to fraction form
94,054.24/129,787.44 = 51,612.64/x - Step 3: Cross multiply
94,054.24x = 129,787.44 × 51,612.64 - Step 4: Simplify right side
94,054.24x = 6,698,672,417.24 - Step 5: Solve for x
x = 6,698,672,417.24/94,054.24 - Step 6: Final answer
x = 71,221.38
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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.