Finding the Fourth Proportional to 68,282.08, 102,390.48 and 35,018.08
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Solution
The fourth proportional to 68,282.08, 102,390.48 and 35,018.08 is: 52,510.38
Step by Step Solution
- Step 1: Write the proportion equation
68,282.08 : 102,390.48 = 35,018.08 : x - Step 2: Convert to fraction form
68,282.08/102,390.48 = 35,018.08/x - Step 3: Cross multiply
68,282.08x = 102,390.48 × 35,018.08 - Step 4: Simplify right side
68,282.08x = 3,585,518,019.88 - Step 5: Solve for x
x = 3,585,518,019.88/68,282.08 - Step 6: Final answer
x = 52,510.38
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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.