Finding the Fourth Proportional to 94,671.36, 142,010.64 and 31,497.12
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Solution
The fourth proportional to 94,671.36, 142,010.64 and 31,497.12 is: 47,246.88
Step by Step Solution
- Step 1: Write the proportion equation
94,671.36 : 142,010.64 = 31,497.12 : x - Step 2: Convert to fraction form
94,671.36/142,010.64 = 31,497.12/x - Step 3: Cross multiply
94,671.36x = 142,010.64 × 31,497.12 - Step 4: Simplify right side
94,671.36x = 4,472,926,169.36 - Step 5: Solve for x
x = 4,472,926,169.36/94,671.36 - Step 6: Final answer
x = 47,246.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.