Finding the Fourth Proportional to 93,267.77, 128,752.49 and 55,014.31
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Solution
The fourth proportional to 93,267.77, 128,752.49 and 55,014.31 is: 75,945.09
Step by Step Solution
- Step 1: Write the proportion equation
93,267.77 : 128,752.49 = 55,014.31 : x - Step 2: Convert to fraction form
93,267.77/128,752.49 = 55,014.31/x - Step 3: Cross multiply
93,267.77x = 128,752.49 × 55,014.31 - Step 4: Simplify right side
93,267.77x = 7,083,229,398.13 - Step 5: Solve for x
x = 7,083,229,398.13/93,267.77 - Step 6: Final answer
x = 75,945.09
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1.5x scale
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.