Finding the Fourth Proportional to 97,995.24, 146,984.88 and 31,417.44
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Solution
The fourth proportional to 97,995.24, 146,984.88 and 31,417.44 is: 47,123.60
Step by Step Solution
- Step 1: Write the proportion equation
97,995.24 : 146,984.88 = 31,417.44 : x - Step 2: Convert to fraction form
97,995.24/146,984.88 = 31,417.44/x - Step 3: Cross multiply
97,995.24x = 146,984.88 × 31,417.44 - Step 4: Simplify right side
97,995.24x = 4,617,888,648.31 - Step 5: Solve for x
x = 4,617,888,648.31/97,995.24 - Step 6: Final answer
x = 47,123.60
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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.