Finding the Fourth Proportional to 93,700.74, 129,305.94 and 51,258.75
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Solution
The fourth proportional to 93,700.74, 129,305.94 and 51,258.75 is: 70,736.48
Step by Step Solution
- Step 1: Write the proportion equation
93,700.74 : 129,305.94 = 51,258.75 : x - Step 2: Convert to fraction form
93,700.74/129,305.94 = 51,258.75/x - Step 3: Cross multiply
93,700.74x = 129,305.94 × 51,258.75 - Step 4: Simplify right side
93,700.74x = 6,628,060,851.98 - Step 5: Solve for x
x = 6,628,060,851.98/93,700.74 - Step 6: Final answer
x = 70,736.48
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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.