Finding the Fourth Proportional to 93,856.14, 129,521.52 and 51,414.84
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Solution
The fourth proportional to 93,856.14, 129,521.52 and 51,414.84 is: 70,952.50
Step by Step Solution
- Step 1: Write the proportion equation
93,856.14 : 129,521.52 = 51,414.84 : x - Step 2: Convert to fraction form
93,856.14/129,521.52 = 51,414.84/x - Step 3: Cross multiply
93,856.14x = 129,521.52 × 51,414.84 - Step 4: Simplify right side
93,856.14x = 6,659,328,227.36 - Step 5: Solve for x
x = 6,659,328,227.36/93,856.14 - Step 6: Final answer
x = 70,952.50
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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.