Finding the Fourth Proportional to 93,913.25, 129,599.54 and 51,471.68
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Solution
The fourth proportional to 93,913.25, 129,599.54 and 51,471.68 is: 71,030.50
Step by Step Solution
- Step 1: Write the proportion equation
93,913.25 : 129,599.54 = 51,471.68 : x - Step 2: Convert to fraction form
93,913.25/129,599.54 = 51,471.68/x - Step 3: Cross multiply
93,913.25x = 129,599.54 × 51,471.68 - Step 4: Simplify right side
93,913.25x = 6,670,705,145.67 - Step 5: Solve for x
x = 6,670,705,145.67/93,913.25 - Step 6: Final answer
x = 71,030.50
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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.