Finding the Fourth Proportional to 93,267.36, 128,672.08 and 61,451.68
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Solution
The fourth proportional to 93,267.36, 128,672.08 and 61,451.68 is: 84,779.02
Step by Step Solution
- Step 1: Write the proportion equation
93,267.36 : 128,672.08 = 61,451.68 : x - Step 2: Convert to fraction form
93,267.36/128,672.08 = 61,451.68/x - Step 3: Cross multiply
93,267.36x = 128,672.08 × 61,451.68 - Step 4: Simplify right side
93,267.36x = 7,907,115,485.09 - Step 5: Solve for x
x = 7,907,115,485.09/93,267.36 - Step 6: Final answer
x = 84,779.02
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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.