Finding the Fourth Proportional to 94,588.32, 130,531.86 and 54,304.68
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Solution
The fourth proportional to 94,588.32, 130,531.86 and 54,304.68 is: 74,940.45
Step by Step Solution
- Step 1: Write the proportion equation
94,588.32 : 130,531.86 = 54,304.68 : x - Step 2: Convert to fraction form
94,588.32/130,531.86 = 54,304.68/x - Step 3: Cross multiply
94,588.32x = 130,531.86 × 54,304.68 - Step 4: Simplify right side
94,588.32x = 7,088,490,887.10 - Step 5: Solve for x
x = 7,088,490,887.10/94,588.32 - Step 6: Final answer
x = 74,940.45
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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.