Finding the Fourth Proportional to 93,718.57, 140,401.30 and 46,278.12
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Solution
The fourth proportional to 93,718.57, 140,401.30 and 46,278.12 is: 69,329.99
Step by Step Solution
- Step 1: Write the proportion equation
93,718.57 : 140,401.30 = 46,278.12 : x - Step 2: Convert to fraction form
93,718.57/140,401.30 = 46,278.12/x - Step 3: Cross multiply
93,718.57x = 140,401.30 × 46,278.12 - Step 4: Simplify right side
93,718.57x = 6,497,507,621.22 - Step 5: Solve for x
x = 6,497,507,621.22/93,718.57 - Step 6: Final answer
x = 69,329.99
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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.