Finding the Fourth Proportional to 68,632.16, 102,952.34 and 26,518.74
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Solution
The fourth proportional to 68,632.16, 102,952.34 and 26,518.74 is: 39,779.70
Step by Step Solution
- Step 1: Write the proportion equation
68,632.16 : 102,952.34 = 26,518.74 : x - Step 2: Convert to fraction form
68,632.16/102,952.34 = 26,518.74/x - Step 3: Cross multiply
68,632.16x = 102,952.34 × 26,518.74 - Step 4: Simplify right side
68,632.16x = 2,730,166,571.32 - Step 5: Solve for x
x = 2,730,166,571.32/68,632.16 - Step 6: Final answer
x = 39,779.70
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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.