Finding the Fourth Proportional to 97,777.13, 134,940.63 and 61,954.07
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Solution
The fourth proportional to 97,777.13, 134,940.63 and 61,954.07 is: 85,501.81
Step by Step Solution
- Step 1: Write the proportion equation
97,777.13 : 134,940.63 = 61,954.07 : x - Step 2: Convert to fraction form
97,777.13/134,940.63 = 61,954.07/x - Step 3: Cross multiply
97,777.13x = 134,940.63 × 61,954.07 - Step 4: Simplify right side
97,777.13x = 8,360,120,794.49 - Step 5: Solve for x
x = 8,360,120,794.49/97,777.13 - Step 6: Final answer
x = 85,501.81
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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.