Finding the Fourth Proportional to 93,458.24, 128,975.28 and 53,177.84
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Solution
The fourth proportional to 93,458.24, 128,975.28 and 53,177.84 is: 73,387.07
Step by Step Solution
- Step 1: Write the proportion equation
93,458.24 : 128,975.28 = 53,177.84 : x - Step 2: Convert to fraction form
93,458.24/128,975.28 = 53,177.84/x - Step 3: Cross multiply
93,458.24x = 128,975.28 × 53,177.84 - Step 4: Simplify right side
93,458.24x = 6,858,626,803.80 - Step 5: Solve for x
x = 6,858,626,803.80/93,458.24 - Step 6: Final answer
x = 73,387.07
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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.