Finding the Fourth Proportional to 93,817.09, 129,487.68 and 59,817.76
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Solution
The fourth proportional to 93,817.09, 129,487.68 and 59,817.76 is: 82,561.32
Step by Step Solution
- Step 1: Write the proportion equation
93,817.09 : 129,487.68 = 59,817.76 : x - Step 2: Convert to fraction form
93,817.09/129,487.68 = 59,817.76/x - Step 3: Cross multiply
93,817.09x = 129,487.68 × 59,817.76 - Step 4: Simplify right side
93,817.09x = 7,745,662,965.20 - Step 5: Solve for x
x = 7,745,662,965.20/93,817.09 - Step 6: Final answer
x = 82,561.32
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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.