Finding the Fourth Proportional to 93,286.98, 128,739.06 and 53,000.02
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Solution
The fourth proportional to 93,286.98, 128,739.06 and 53,000.02 is: 73,141.75
Step by Step Solution
- Step 1: Write the proportion equation
93,286.98 : 128,739.06 = 53,000.02 : x - Step 2: Convert to fraction form
93,286.98/128,739.06 = 53,000.02/x - Step 3: Cross multiply
93,286.98x = 128,739.06 × 53,000.02 - Step 4: Simplify right side
93,286.98x = 6,823,172,754.78 - Step 5: Solve for x
x = 6,823,172,754.78/93,286.98 - Step 6: Final answer
x = 73,141.75
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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.