Finding the Fourth Proportional to 80,880.90, 121,316.93 and 24,720.99
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Solution
The fourth proportional to 80,880.90, 121,316.93 and 24,720.99 is: 37,080.13
Step by Step Solution
- Step 1: Write the proportion equation
80,880.90 : 121,316.93 = 24,720.99 : x - Step 2: Convert to fraction form
80,880.90/121,316.93 = 24,720.99/x - Step 3: Cross multiply
80,880.90x = 121,316.93 × 24,720.99 - Step 4: Simplify right side
80,880.90x = 2,999,074,613.36 - Step 5: Solve for x
x = 2,999,074,613.36/80,880.90 - Step 6: Final answer
x = 37,080.13
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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.