Finding the Fourth Proportional to 93,384.14, 128,876.21 and 53,101.66
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Solution
The fourth proportional to 93,384.14, 128,876.21 and 53,101.66 is: 73,283.75
Step by Step Solution
- Step 1: Write the proportion equation
93,384.14 : 128,876.21 = 53,101.66 : x - Step 2: Convert to fraction form
93,384.14/128,876.21 = 53,101.66/x - Step 3: Cross multiply
93,384.14x = 128,876.21 × 53,101.66 - Step 4: Simplify right side
93,384.14x = 6,843,540,097.81 - Step 5: Solve for x
x = 6,843,540,097.81/93,384.14 - Step 6: Final answer
x = 73,283.75
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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.