Finding the Fourth Proportional to 94,118.64, 129,887.96 and 56,392.08
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Solution
The fourth proportional to 94,118.64, 129,887.96 and 56,392.08 is: 77,823.61
Step by Step Solution
- Step 1: Write the proportion equation
94,118.64 : 129,887.96 = 56,392.08 : x - Step 2: Convert to fraction form
94,118.64/129,887.96 = 56,392.08/x - Step 3: Cross multiply
94,118.64x = 129,887.96 × 56,392.08 - Step 4: Simplify right side
94,118.64x = 7,324,652,231.36 - Step 5: Solve for x
x = 7,324,652,231.36/94,118.64 - Step 6: Final answer
x = 77,823.61
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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.