Finding the Fourth Proportional to 93,621.21, 140,402.62 and 31,277.13
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Solution
The fourth proportional to 93,621.21, 140,402.62 and 31,277.13 is: 46,905.94
Step by Step Solution
- Step 1: Write the proportion equation
93,621.21 : 140,402.62 = 31,277.13 : x - Step 2: Convert to fraction form
93,621.21/140,402.62 = 31,277.13/x - Step 3: Cross multiply
93,621.21x = 140,402.62 × 31,277.13 - Step 4: Simplify right side
93,621.21x = 4,391,390,998.08 - Step 5: Solve for x
x = 4,391,390,998.08/93,621.21 - Step 6: Final answer
x = 46,905.94
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1.5x scale
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.