Finding the Fourth Proportional to 94,189.14, 129,976.58 and 51,746.76
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Solution
The fourth proportional to 94,189.14, 129,976.58 and 51,746.76 is: 71,408.09
Step by Step Solution
- Step 1: Write the proportion equation
94,189.14 : 129,976.58 = 51,746.76 : x - Step 2: Convert to fraction form
94,189.14/129,976.58 = 51,746.76/x - Step 3: Cross multiply
94,189.14x = 129,976.58 × 51,746.76 - Step 4: Simplify right side
94,189.14x = 6,725,867,020.25 - Step 5: Solve for x
x = 6,725,867,020.25/94,189.14 - Step 6: Final answer
x = 71,408.09
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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.