Finding the Fourth Proportional to 97,794.92, 134,947.14 and 55,346.06
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Solution
The fourth proportional to 97,794.92, 134,947.14 and 55,346.06 is: 76,371.99
Step by Step Solution
- Step 1: Write the proportion equation
97,794.92 : 134,947.14 = 55,346.06 : x - Step 2: Convert to fraction form
97,794.92/134,947.14 = 55,346.06/x - Step 3: Cross multiply
97,794.92x = 134,947.14 × 55,346.06 - Step 4: Simplify right side
97,794.92x = 7,468,792,507.27 - Step 5: Solve for x
x = 7,468,792,507.27/97,794.92 - Step 6: Final answer
x = 76,371.99
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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.