Finding the Fourth Proportional to 93,402.09, 140,053.62 and 40,750.06
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Solution
The fourth proportional to 93,402.09, 140,053.62 and 40,750.06 is: 61,103.49
Step by Step Solution
- Step 1: Write the proportion equation
93,402.09 : 140,053.62 = 40,750.06 : x - Step 2: Convert to fraction form
93,402.09/140,053.62 = 40,750.06/x - Step 3: Cross multiply
93,402.09x = 140,053.62 × 40,750.06 - Step 4: Simplify right side
93,402.09x = 5,707,193,418.22 - Step 5: Solve for x
x = 5,707,193,418.22/93,402.09 - Step 6: Final answer
x = 61,103.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.