Finding the Fourth Proportional to 97,605.81, 134,680.93 and 57,315.80
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Solution
The fourth proportional to 97,605.81, 134,680.93 and 57,315.80 is: 79,086.95
Step by Step Solution
- Step 1: Write the proportion equation
97,605.81 : 134,680.93 = 57,315.80 : x - Step 2: Convert to fraction form
97,605.81/134,680.93 = 57,315.80/x - Step 3: Cross multiply
97,605.81x = 134,680.93 × 57,315.80 - Step 4: Simplify right side
97,605.81x = 7,719,345,441.11 - Step 5: Solve for x
x = 7,719,345,441.11/97,605.81 - Step 6: Final answer
x = 79,086.95
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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.