Finding the Fourth Proportional to 93,884.13, 129,536.93 and 55,652.63
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Solution
The fourth proportional to 93,884.13, 129,536.93 and 55,652.63 is: 76,786.90
Step by Step Solution
- Step 1: Write the proportion equation
93,884.13 : 129,536.93 = 55,652.63 : x - Step 2: Convert to fraction form
93,884.13/129,536.93 = 55,652.63/x - Step 3: Cross multiply
93,884.13x = 129,536.93 × 55,652.63 - Step 4: Simplify right side
93,884.13x = 7,209,070,836.63 - Step 5: Solve for x
x = 7,209,070,836.63/93,884.13 - Step 6: Final answer
x = 76,786.90
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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.