Finding the Fourth Proportional to 94,458.48, 130,388.06 and 62,638.08
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Solution
The fourth proportional to 94,458.48, 130,388.06 and 62,638.08 is: 86,464.00
Step by Step Solution
- Step 1: Write the proportion equation
94,458.48 : 130,388.06 = 62,638.08 : x - Step 2: Convert to fraction form
94,458.48/130,388.06 = 62,638.08/x - Step 3: Cross multiply
94,458.48x = 130,388.06 × 62,638.08 - Step 4: Simplify right side
94,458.48x = 8,167,257,733.32 - Step 5: Solve for x
x = 8,167,257,733.32/94,458.48 - Step 6: Final answer
x = 86,464.00
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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.