Finding the Fourth Proportional to 93,382.47, 128,867.27 and 50,940.99
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Solution
The fourth proportional to 93,382.47, 128,867.27 and 50,940.99 is: 70,298.27
Step by Step Solution
- Step 1: Write the proportion equation
93,382.47 : 128,867.27 = 50,940.99 : x - Step 2: Convert to fraction form
93,382.47/128,867.27 = 50,940.99/x - Step 3: Cross multiply
93,382.47x = 128,867.27 × 50,940.99 - Step 4: Simplify right side
93,382.47x = 6,564,626,057.69 - Step 5: Solve for x
x = 6,564,626,057.69/93,382.47 - Step 6: Final answer
x = 70,298.27
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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.