Finding the Fourth Proportional to 93,414.24, 128,914.50 and 53,133.84
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Solution
The fourth proportional to 93,414.24, 128,914.50 and 53,133.84 is: 73,326.32
Step by Step Solution
- Step 1: Write the proportion equation
93,414.24 : 128,914.50 = 53,133.84 : x - Step 2: Convert to fraction form
93,414.24/128,914.50 = 53,133.84/x - Step 3: Cross multiply
93,414.24x = 128,914.50 × 53,133.84 - Step 4: Simplify right side
93,414.24x = 6,849,722,416.68 - Step 5: Solve for x
x = 6,849,722,416.68/93,414.24 - Step 6: Final answer
x = 73,326.32
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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.