Finding the Fourth Proportional to 83,975.16, 125,348.35 and 74,010.99
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Solution
The fourth proportional to 83,975.16, 125,348.35 and 74,010.99 is: 110,475.00
Step by Step Solution
- Step 1: Write the proportion equation
83,975.16 : 125,348.35 = 74,010.99 : x - Step 2: Convert to fraction form
83,975.16/125,348.35 = 74,010.99/x - Step 3: Cross multiply
83,975.16x = 125,348.35 × 74,010.99 - Step 4: Simplify right side
83,975.16x = 9,277,155,478.37 - Step 5: Solve for x
x = 9,277,155,478.37/83,975.16 - Step 6: Final answer
x = 110,475.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.