Finding the Fourth Proportional to 88,941.23, 122,740.68 and 48,657.50
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Solution
The fourth proportional to 88,941.23, 122,740.68 and 48,657.50 is: 67,148.33
Step by Step Solution
- Step 1: Write the proportion equation
88,941.23 : 122,740.68 = 48,657.50 : x - Step 2: Convert to fraction form
88,941.23/122,740.68 = 48,657.50/x - Step 3: Cross multiply
88,941.23x = 122,740.68 × 48,657.50 - Step 4: Simplify right side
88,941.23x = 5,972,254,637.10 - Step 5: Solve for x
x = 5,972,254,637.10/88,941.23 - Step 6: Final answer
x = 67,148.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.