Finding the Fourth Proportional to 74,053.68, 102,193.67 and 40,062.08
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Solution
The fourth proportional to 74,053.68, 102,193.67 and 40,062.08 is: 55,285.44
Step by Step Solution
- Step 1: Write the proportion equation
74,053.68 : 102,193.67 = 40,062.08 : x - Step 2: Convert to fraction form
74,053.68/102,193.67 = 40,062.08/x - Step 3: Cross multiply
74,053.68x = 102,193.67 × 40,062.08 - Step 4: Simplify right side
74,053.68x = 4,094,090,271.75 - Step 5: Solve for x
x = 4,094,090,271.75/74,053.68 - Step 6: Final answer
x = 55,285.44
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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.