Finding the Fourth Proportional to 97,653.36, 134,760.47 and 57,370.80
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Solution
The fourth proportional to 97,653.36, 134,760.47 and 57,370.80 is: 79,171.02
Step by Step Solution
- Step 1: Write the proportion equation
97,653.36 : 134,760.47 = 57,370.80 : x - Step 2: Convert to fraction form
97,653.36/134,760.47 = 57,370.80/x - Step 3: Cross multiply
97,653.36x = 134,760.47 × 57,370.80 - Step 4: Simplify right side
97,653.36x = 7,731,315,685.42 - Step 5: Solve for x
x = 7,731,315,685.42/97,653.36 - Step 6: Final answer
x = 79,171.02
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1.5x scale
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.