Finding the Fourth Proportional to 76,795.05, 115,244.47 and 26,875.58
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Solution
The fourth proportional to 76,795.05, 115,244.47 and 26,875.58 is: 40,331.53
Step by Step Solution
- Step 1: Write the proportion equation
76,795.05 : 115,244.47 = 26,875.58 : x - Step 2: Convert to fraction form
76,795.05/115,244.47 = 26,875.58/x - Step 3: Cross multiply
76,795.05x = 115,244.47 × 26,875.58 - Step 4: Simplify right side
76,795.05x = 3,097,261,973.04 - Step 5: Solve for x
x = 3,097,261,973.04/76,795.05 - Step 6: Final answer
x = 40,331.53
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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.