Finding the Fourth Proportional to 93,355.26, 128,828.97 and 50,913.78
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Solution
The fourth proportional to 93,355.26, 128,828.97 and 50,913.78 is: 70,260.31
Step by Step Solution
- Step 1: Write the proportion equation
93,355.26 : 128,828.97 = 50,913.78 : x - Step 2: Convert to fraction form
93,355.26/128,828.97 = 50,913.78/x - Step 3: Cross multiply
93,355.26x = 128,828.97 × 50,913.78 - Step 4: Simplify right side
93,355.26x = 6,559,169,836.21 - Step 5: Solve for x
x = 6,559,169,836.21/93,355.26 - Step 6: Final answer
x = 70,260.31
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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.